Choosing a sleeping bag for an adventure can be tedious, especially when the costs are so high. Never fear, this article will answer all the questions you may have re a sleeping bag for a multi-day desert/summer adventure or similar.
First and foremost I recommend you read THIS in-depth article on ‘How to Choose a Sleeping Bag for an Adventure.’
In this article, I will look at three down filled sleeping bags:
Down as a higher warmth-to-weight ratio than synthetic fill. In simple terms, a down bag can achieve the same warmth (or be warmer) than a synthetic bag for less weight. A key consideration when weight is crucial.
Is down warmer? If synthetic insulation was the same weight as the down, down nearly always will be warmer. Down traps warm air, while synthetic fibers pack densely to reduce heat loss. Both offer great warmth, especially when you use high quality products.
Is down always best? No, not always. Down cannot get wet. If it does, the feathers clump together, and all insulating power is lost. Synthetic retains heat, even when wet. So, if you are using a sleeping bag in a wet and humid environment, synthetic will probably be the best choice… BUT, many brands now do hydrophobic down which is treated to be efficient in wet conditions.
Size is extremely important in any adventure and quite simply down compresses considerably more than synthetic.
Cost is always a key consideration and typically, down will be more expensive than synthetic.
SLEEPING BAG KEY QUESTIONS
First and foremost, consider several key things before choosing a bag.
Where are you going?
Will it be dry and what are the risks of rain?
Do I sleep cold or warm?
Am I tall or small (sleeping bag length is crucial for comfort)?
Do I have wide shoulders?
Do I need a zip, if so, half zip or full zip?
How light does it need to be?
What temperatures can I expect at night?
Quite simply, a sleeping bag needs to be as light as possible without compromising the above if you are carrying it.
Also consider that it is often a wise choice to choose a sleeping bag that has less warmth and lower weight if you are also carrying top/ bottom base layers and a down jacket. These clothing items can be used to layer and add warmth.
Layering adds warmth
WEIGHTS AND PRICE
Rab Mythic Ultra 180 retails at £550.00 and weighs 400g (900 fill down)
Sea to Summit SP1 Retails at £260.00 and weighs 350g (850 fill down)
PHD Minimus K Retails at £484.00 and weighs 330g (this bag has no zip but has 1000 fill down)
The Mythic Ultra utilizes breakthrough technology with TILT (Thermo Ionic Lining) which in simple terms works a little like a space blanket offering exceptional warmth. The down is hydrophobic treated and therefore can be used in wet/ damp conditions. It is offered in regular and long. It has a ⅛ zip by YKK on the left, an excellent hood with baffles and is provided with a dry bag and a drawstring storage bag.
The SP1 is tiny and provided in a zipper storage bag and a small compression sack is provided. Using ‘ultra-dry’ 850 fill down, the bag has excellent water repellent property and warmth. It has a YKK zipper, available in regular and long with excellent hood and baffles.
PHD are unique in that they make all the products in their factory in the UK. Therefore, it is possible to purchase any bag ‘off-the-shelf’ as a standard product OR you can order and have a product custom made. For example, you can specify, no zip, half zip or full zip. You can ask for wider shoulders, longer length, warmer toe box and so on. All of this comes at a price, so if bespoke is for you, PHD is the place to go. You can see options HERE.
The Minimus bag has a Drishell outer, no zip, standard length, standard width and 900 fill. Should you require the bag a different length, the price varies, short is no extra charge, long adds 8% and extra-long adds 14%. Equally, if you require extra width, slim is no extra charge, wide is plus 11% and extra-wide adds 20%. Need a zip? Short is £25 extra and full is £41.00 extra.
Quite simply, PHD are the Tesla of the sleeping bag world. Great comfort, weight and warmth. It has a mesh bag for storage and comes with a nylon stuff sack*
First and foremost, weight is a key consideration, and these three bags are so close in weight, it is hard to say one is better than the other. The Sea to Summit wins though, a full 100g lighter than the PHD.
On my scales:
Rab 397g Rab has a tiny eighth zip.
Sea to Summit 344g *Sea to Summit a half zip.
PHD 445g **The PHD has a full-length zip.
When one considers the PHD has a full zip, the weight is impressive. A full zip offers more flexibility and on a hot night, the bag can be used more like a blanket. Not an option with the other two.
Size can be as crucial as weight and the Sea to Summit is a standout packing to an incredibly small size with the compression sack provided – 38g.
The Rab is supplied with a dry bag and I should point out it would be possible to use a smaller bag and compress the Mythic Ultra 180 smaller – 34g
For the PHD I used a generic 4L dry bag – 31g
It’s worth noting though, often when fast packing, it’s better not to store the sleeping bag in a storage bag as it makes for an odd, sausage like shape that does not utilise the space available.
WARMTH
Remember, a sleeping mat is an essential accessory not only for comfort but warmth. I recommend a Sea to Summit ultra light.
The three bags are very similar in weight, fill and design. However, each brand describes their bags warmth differently. The Comfort Rating indicates the minimum temperature where an individual can sleep in a relaxed position and get a good night’s sleep.
Rab – Sleep limit 0 deg
Sea to Summit – 9 deg comfort
PHD – 5 deg typical.
Based on the above if we take Rab 0 deg minimum rating, Sea to Summits 9 deg comfort and PHD’s 5 deg typical rating, it’s fair to assume that all are good for around 5 deg as a good sleeping temperature. In theory, the Sea to Summit should be the one that ‘may’ struggle at 5 deg but that is not the reality after testing. It is a warm bag and certainly trades blows the Rab and PHD. All three perform exceptionally well at 5 degrees or above.
The Limit of Comfort Rating is the temperature range where an individual sleeping in a curled position and fighting against the cold can still sleep through the night – 0 degrees would apply here. I had several summer nights with temperatures dropping and all three bags performed exceptionally well with the addition of Merino top and bottom layers, a pair of socks and the use of a Buff or hat.
COMFORT and FEEL
All three bags win out on feel and comfort. Each have their own attributes. The PHD wins on full comfort as it has a full zip. The Rab though has the best hood of all three bags and a superb baffle to keep out drafts. The SP1 has a half zip, good hood and no baffle.
All are silky smooth to the touch and comfortable.
The Rab with black outer, silver logos and silver TILT lining feels and looks premium. Equally, the SP1 has a superb look of grey/ yellow and excellent logos/ branding. The PHD is a no fuss bag. If the other too are Tesla and Porsche, the PHD is a Land Rover but you know it will get the job done.
VALUE FOR MONEY
These are three excellent sleeping bags offering the best option in their class. Quite simply, you cannot go wrong with any of them. They have all been used and tested in similar environments, conditions and temperatures whilst camping. However, when looking at weight, pack size, warmth and price, we have a clear winner.
The standout is the Sea to Summit SP1 which offers an unbeatable package of low-weight, small packing size, incredible warmth, and a low price. It is half the price of the competition and does not compromise on any features. It’s a winner. More info HERE.
The Rab is a great bag, which offers a little more warmth, larger pack size and just a fraction more weight. The black colour is a plus for me and the hood/ baffles are the best of the three. The zip is of no real use and for me I would prefer either no zip to save on weight or prefer the additional weight and half a zip that offers more practical use. The treated down offers incredible flexibility and certainly if I planned on using one bag for different conditions and environments, the Mythic Ultra 180 would be a great choice. More info HERE.
PHD are always a winner, and they make incredible products. But ‘off-the-shelf’ it’s difficult to justify the cost in comparison to the excellent Sea to Summit SP1. However, long, tall, short, wide, large, small, zip or no zip, PHD will make a bag just for you and it will be perfect. That comes at a price though and it will be arguably, the best sleeping bag you have ever had. More info HERE
Embrace winter, mercury dropping in the thermometer is no excuse to put outdoor adventure on hold. On the contrary, the new season brings a whole new set of adventures that could not be entertained during the months of Spring and Summer – read an article HERE on ‘Embracing Winter for New Adventures.’
Fastpacking is often looked upon as a good weather activity and not something that can be entertained or planned for the winter months. I disagree! Winter brings multiple possibilities and although fast packing in spring/ summer has many carry overs to autumn/ winter, some distinct differences are notable and important.
I have produced two articles on Fastpacking, one HERE and the other HERE looks at going lighter. Quite simply, fast packing is about finding the perfect and optimal balance between equipment and weight. To move fast, one’s pack needs to be as light as possible. In spring and summer, that job is easier as one requires less equipment. For example, sleeping bag will be lighter, tent will be lighter, clothing will be reduced and so on. Winter brings added challenges of balance and if you get it wrong, not only can it mean a miserable time, it can also be extremely dangerous.
WHAT TYPE OF TRIP?
I like to think of winter fast packing adventures primarily falling in two categories:
1. Self-sufficient with tent.
2. Self-sufficient and staying lodges, cabins, tea houses or even hotels.
To clarify, when I say ‘self-sufficient’ I mean carrying everything one needs for the adventure you are undertaking. If one is travelling with a tent, you will almost certainly be carrying all your food too. However, if staying in lodges, cabins, tea houses or hotels, then access to food will be possible and therefore the need to carry such items will be reduced.
For the purposes of this article, I am going to look at point 1 as this requires more planning, more equipment and a great deal more thought. For point 2, the equipment list would be as point 1 with the ability to remove items.
A fastpacking trip can be as simple as two days with one overnight stop or it can be a lengthy trip of multiple days or even weeks. As an example, in recent years I have taken myself to Nepal in December and fastpacked for ten days plus using tea houses for accommodation. Read an article on the ‘Three Passes Trek 2018: Ultimate Trek in the Everest Region’ HERE.
Any length of trip is valid and if new to winter adventures, it makes sense that maybe a first trip involves just one overnight so that you can fine tune what does and does not work for you.
Do you need a 12-week and/ or 24-week Multi-Day Training Plan perfect for a multi-day adventure or a race like Marathon des Sables? They are designed to provide you with a structured weekly plan culminating in a target event.
View a sample week HEREfrom the 12-week plan. Purchase HERE. (£14.50 pw)
View a sample week HERE from the 24-week plan. Purchase HERE. (£12 pw)
EQUIPMENT
Weather in Autumn can still be warm but one needs to be prepared.
Fastpacking in winter is the same as summer, but the need for more substantial equipment increases. Key is multi-purpose so that as mentioned previously, balancing minimal weight with equipment is optimal.
Planning is also essential so that one understands what equipment is needed and required. It goes without saying that winter conditions can bring anything, so, being prepared is an absolute no1 priority.
Ask questions:
Will I have rain?
Will I have snow?
Will I have ice?
Am I going to high altitude?
Is the terrain technical?
Will I be climbing?
Questions as above are a starting point when deciding what to take. A prime example being that an ice axe, crampons and maybe even a harness will be required on a fastpack trip – If you don’t have them, that could be a BIG problem!
Do the research, understand the trip, understand the distance you will be covering and understand the amount of days the journey will take.
Once you have answers to the above, you can plan the equipment.
Top Tip: While solo adventuring is exciting and exhilarating, winter adventures with another person make a trip safer and, in my opinion, more enjoyable. It also means you can share the additional tent weight and supplies weight.
A winter tent will be heavier and more durable as the impact of the weather is greater and the need for protection is increased. The first question, is size? Many of us will not have the option or luxury to have several tent options that allow us to choose a solo, two or three-person tent. So, if purchasing for the first time, the best option would almost certainly go for a 2-person tent.
The tent needs to be 4-season unless you know in advance that your winter adventure will not have weather extremes. If the latter is the case, you may well get away with your 3-season tent.
Heavier fabrics, more substantial poles and less mesh make 4-season tent shopping a challenge. Budget is also a key consideration. A tunnel tent is optimal and if pitched correctly, it will withstand strong winds and harsh weather. Use a well-insulated, all-season tent designed to withstand strong winds and the weight of snow, as well as a full nylon inner to prevent as much heat loss as possible.
My favourite tent is the Hilleberg NALLO which comes in several sizes, 2,3 and 4 person and the ‘GT’ versions have greater storage which is not a consideration for me but could be a consideration if bike packing? The NALLO 3 is 2.6kg and one of the lightest all-season tents on the market.
A cold winter morning.
2.6kg may sound heavy, especially when fastpacking but if you divide that weight between 2 (1300g each) or 3 (866g) it compares with lightweight solo tents such as the NEMO Hornet which would not stand winter conditions.
Ultimately invest in a tent as it will serve you well and last a great deal of time. Cutting costs early on will only come back later and bite you later.
Using a Tarp or Bivvy bag is not a consideration for me in winter unless in an emergency.
PACK
A multi-day fast packing trip to the Atlas Mountains, Morocco.
Packs are very personal and the correct one for you comes down to too many variables. I have said previously that I feel the ideal fastpack size to be 20-25 ltr. However, in winter, I usually go to 30 ltr and in Nepal I have gone to 40 ltr.
Montane Trailblazer 30 is a personal favourite as it fits like clothing with a vest-like fit and it has a waist belt.
Think about simple and effective storage space, minimum fuss, good fit and comfort.
Options:
Ultimate Direction Fastpack
Six Moon Designs
Inov-8
OMM
Terra Nova
SLEEPING BAG
RAB Mythic Ultra 360
After the tent, the sleeping bag is going to be the next largest and heaviest item. However, think cleverly about sleeping bag and also consider the key phrase, multi-purpose.
Because you may experience -15 at night during a fastpack, this does not mean you require a -15 sleeping bag…. Personal favourite is the RAB Mythic Ultra 360.
“Smart lightweight campers have been using their clothes to boost the warmth of their sleeping bags for years and climbers do it when they have to. Yet most of us are still carrying bags much bulkier and heavier than we need.” – Peter Hutchinson Designs
Layering in a sleeping bag (just like in clothing) is key to regulating temperature and a perfect way to carry a lighter sleeping bag without compromising on warmth and comfort. Read an in-depth article HERE on ‘Choosing a Sleeping Bag for an Adventure.’
Key points to consider:
Am I using the sleeping bag in a dry or wet climate?
Is the weight of the bag really important? Normally the answer here is, if you are carrying it, yes, the weight is important.
Do I need the sleeping bag to pack as small as possible?
Do I need the bag to work in one or more situations? Another way of looking at this is, do I need to compromise on points 1-3 to get value for money.
Ask some personal questions:
Do I sleep warm?
Do I like to be warm and if not warm, am I miserable?
Am I prepared to be a little cold to be as light as possible?
Do I need a full-length zip, half-zip or am I happy to have no zip?
Consider other factors:
If you are tall, wide, have big shoulders etcetera, etcetera then some sleeping bags will just not work for you as they will be too small.
If you are small/ petite an off-the-shelf sleeping bag actually could be too big for you, this is not a huge problem, but if you wanted the bag to be as small and light as possible, you could go custom made.
Top Tip: Down is the lightest and packs the smallest. However, down cannot get wet. If it does it loses warmth and effectiveness. Some brands now offer ‘treated’ down that can withstand weather variables, so, consider this. If you are going to be in a wet/ damp climate, a synthetic filling may well be the best choice. Do not put your head inside the sleeping bag – make sure you breath out and not inside the bag as the moisture is not good.
SLEEPING MAT
Typical fastpack kit set up.
If you are in a tent during the winter, you NEED insulation between you and the ground. Do not compromise here. No matt and you are guaranteed a cold, sleepless and restless night. There are many variables to look at and while weight is crucial, so is warmth. The weight of one’s body presses a sleeping bag flat when sleeping and therefore the warming properties are reduced. Cold comes up from the ground, which can be very dangerous.
It is possible to purchase insulated matts and they are obviously heavier. Ask questions about your personal needs and self-asses. Do you sleep warm?
Look at the ‘R’ number of a sleeping mat. The higher the R number, the more insulation it gives.
If you are going to be pitching a tent on snow or ice, the R needs to be 3 at a minimum and ideally 4 or higher.
Sea to Summit produce an Ultralight mat with an R of 3.1 at 480g in regular length. By contrast, the Comfort Plus XT with an R of 4.7 is over 1000g
COOKING SYSTEM
While your spring/ summer gas canister system will work in winter, many choose to use a liquid fuel system as the pressure in the bottle can be maintained by pumping. MSR do a product called WhisperLite that can use gas or liquid fuel.
I personally use a Jetboil Flash or my MSRWindBurner which both boil water very quickly and work exceptionally well in windy weather.
I simply need to boil water and/ or melt snow.
FOOD
Firepoot food tastes great and is well balanced.
Food is a significant consideration for winter and personally the need for warm and nutritious food increases. Dehydrated food is a staple both for breakfast and dinner and while many brands are available, Firepot Food is my favourite. A *typical meal is around 125g in weight and offers upwards of 500 calories. Baked Apple Porridge is superb in the morning and Chili Con Carne has spice and great taste. Options are available for larger packs. Taking Chili Con Carne as an example: the 135g pack has 600 cals and they have a 200g pack with 890 cals.
I take coffee for the morning and sachets of hot chocolate for the evening.
CLOTHING
Hat and buff great for keeping the warmth in.
There is no one answer to clothing and many questions to ask. To start, I will assume for the purpose of this article that you are a runner who will be moving fast (er) than a hiker.
Key considerations re weather:
Will it be dry and cold?
Will it be wet and cold?
Will it be wet/ dry and cold?
Understanding the answer to the above helps clarify clothing choice. For example, Nepal in December will be cold and dry (usually) therefore the need for wet weather clothing can be reduced. It also means that down will be the main insulating layer. By contrast, if exploring the mountains of northern Norway, you will potentially experience all weather variables and therefore the need for synthetic insulating layers may be preferable to down and the requirement for waterproof jacket and trousers almost essential.
I see apparel in three scenarios:
What I wear in the day.
What I wear when I have finished for the day.
What I wear to sleep.
Remember the key word, multi-purpose.
Layering is essential to regulate temperature and at all costs, you need to reduce sweating, especially in subzero conditions as the sweat can freeze against the skin. Accept that you will need to move slower and that you will need to be diligent in stop/ starting to add and remove layers. It’s easy to feel too warm or a little cold and not stop because it impacts on your rhythm, this can be a really bad decision. Make sure you add/ remove as required.
DAY
Long sleeve Merino, run tights and gloves is a great starting point for warmth.
Head: Hat.
Eyes: Wear glasses, especially in snow.
Neck: Buff
Body: Long-sleeve merino base layer top.
Hands: Merino base layer gloves.
Legs: Winter run tights.
Feet: Merino socks.
Shoes – These will be specific to the task and weather conditions. Obviously, I will not be carrying options (unless climbing,) so, my shoe choice will be based on the most demanding conditions. As a starting point, my standard trail running shoes with aggressive outsole would be ideal for mud and soft snow. If I was going to encounter ice I would either take micro-crampons to use on my trail shoe or use a specific shoe such as the Arctic Talon by inov-8. Extreme cold, challenging conditions and many variables and I would use a boot but a lighter option that is designed with a runner in mind, Roclite (370 or 400) by inov-8 works exceptionally well.
inov-8 Roclite boots with crampons.
WARMTH and WATERPROOF
Add and remove layers based on the weather and conditions.
Using the above as a starting point, the need to add layers will depend on the conditions you are experiencing.
Head: You lose a great deal of heat through your head, so simply adding and removing a hat is a simple way to regulate temperature. There are many options here that typically fall in 3 categories:
Peaked hat
Beanie
Head band
I often like the head band option as it keeps my ears warm but still allows some heat to escape through the top of my head. If it is really cold, I will use a beanie.
Neck: In colder temperatures I like to have a Buff/ wrap around my neck. This is especially useful as the temperature drops as you can pull the item over your mouth and nose. They can also be used as a hat if required.
Hat, glasses, buff and layers provide great protection.
Body: A simple and extremely light windproof is great for adding and removing to regulate temperature. In colder conditions, the need to add insulation will be required and as mentioned, this can be down or synthetic. Ultimately, this layer, especially if still moving fast does not need to be too bulky or too warm. A Rab Kaon is a current favourite which has the best of both worlds by using treated down in a small and lightweight package. Rain, wet conditions and strong wind can make any trip miserable, so, a good and lightweight jacket with taped seams is essential. The Stormshell by inov-8 is perfect. Top Tip: Consider the size of the waterproof jacket, sometimes going one size bigger is better to allow for insulation underneath.
Hands: I struggle with my hands and particularly with my fingers, so, I do not compromise. I wear Merino wool base layers and then Mitts over the top by inov-8. If I need the use of my fingers, I will use a Gore-Tex glove by Rab. Importantly I carry a spare set of Merino base layer gloves and even a pair of more substantial mitts if conditions dictate. My hands are my weakness!
Legs: Winter run tights such as the inov-8 Winter Tight are ideal in all conditions and they are my ‘go-to’ for all runs. In rain I will use just the run tight. However, if the temperature drops to zero or below and the wind gets up, the need to add another layer becomes important and I use the Trailpant by inov-8 over the top.
Feet: Merino socks are essential as they work extremely well when wet. I often use an Injini 5-finger Merino as a base layer and then a Smartwool Merino sock over the top. On occasion I have used Neoprene socks as an extra warm layer.
Shoes: As discussed above but if going to extreme conditions and climbing I use La Sportiva boots, the G5 is perfect for snow conditions with crampons. Also consider that maybe you need snowshoes?
AT THE END OF THE DAY
The end of a long day at Tengboche, Nepal.
You have finished fast packing for the day, you are warm, and the priority is pitching the tent. Before you do that, make sure you:
Add an insulated layer.
Add a windproof.
Wear a hat.
Put on gloves.
Once you have done the above, pitch the tent and get inside.
Priority is to remove layer and importantly remove base layers if they are damp or wet. Putting on a dry base layer is essential to keep warm
Replace run tights with Merino base layer tights.
Remove socks and put on dry socks.
Now add the insulated layers such as jacket, hat and gloves. If extremely cold, get inside your sleeping bag and retain the heat you already have.
Depending on the conditions and the environment, you may very well have additional warm layers that were not mentioned above. Three essentials for me in extreme conditions are:
The above 3 items can pack small and the warmth to weight ratio can make a huge difference. Trekking in Nepal or a similar place in winter and they are essential items.
Hut/tent slippers are a great addition for warm feet and allow you to get out of run shoes/ boots. They are light and can roll up. They fall in the luxury category but if you have space and don´t mind a little extra weight, they can be very worthwhile.
Be specific with the choice of insulated layer. There are many options available that balance weight/ warmth delicately.
SLEEPING
First and foremost, make sure you are warm when going to sleep. If not, you will waste energy trying to get warm. If conditions allow, don’t hesitate to do some press ups, jog on the spot, do star jumps and so on before getting in a sleeping bag.
As a start point, I will wear:
Beanie.
Buff.
Long sleeve Merino base layer top.
Long leg Merino tights.
Merino socks.
Merino liner gloves.
The above provides me with a starting point. Of course, if conditions allow, I can remove some of the items above to regulate temperature.
If it is cold, I will wear a down jacket.
Extremely cold and I will wear my down pants and socks.
It all goes back to layering, multi-purpose and why I initially said that a lighter and less warm sleeping bag can often work providing you have the options to add warmth.
A good night’s sleep is essential.
Top Tips: Put clothes inside the sleeping bag to stop them getting cold and damp. Put all batteries/ phone etc inside the sleeping bag, they will last longer. Need a heat boost? Boil some water, add it to a very secure water bottle and put inside sleeping bag – the ultimate hot-water bottle! Have a bottle for taking a pee in or a FUD if you are a woman. Getting out of a tent in the middle of the night in wind, rain and/ or snow is not a good idea.
TOP TIPS FOR THE WINTER
Climbing Slogen in Norway. We pitched our tent in the valley and travelled light to the summit.
Prepare and plan a trip meticulously understanding the weather conditions you will encounter.
Have the correct equipment for the trip.
Make sure you have a phone, the ability to charge and re-charge it and have a tracking device such as a Garmin InReach.
Tent must be durable and correct for the conditions.
A tent can be made warmer by reducing ambient space – use packs etc around you and don’t be afraid to ‘spoon’ a tent-mate.
Prepare ground for camping, particularly important in snow/ ice conditions. If possible, clear snow to reveal the ground underneath.
Use a mat as insulation between you and the ground.
Layer and regulate temperature.
Add hot water to a drink bottle for the perfect sleeping bag warmer.
Put clothes inside sleeping bag.
Have ear plugs and blindfold.
Eat and drink warm food and snacking in the middle of the night is a great idea.
Have a pee bottle or suitable device if a woman. Holding a pee in is not a good idea as this will waste energy and heat,
Insulated bottles are essential to stop water freezing. Turn bottle upside down.
Poles are great in the mountains.
Use poles when conditions dictate.
Use dry bags to keep all clothing dry.
Have plastic zip-lock bags for emergencies.
Make sure you have a first aid kit.
Zip ties, Gorilla tape and a small tube of super glue can go a long way for ‘on-the-go’ repairs.
Carry a multi-tool knife.
Use a long-handled spoon for dehydrated meals.
Remember it gets cold at night.
Eye protection is crucial.
Take a pillow.
Decide on the correct fuel for the stove. Subzero, go with liquid fuel.
Melt snow for water.
Carry a water filtration system.
Have a method for removing toilet paper and waste.
Have wet wipes or similar.
Sunscreen in snow is essential along with lip balm.
If possible and allowed, make a fire.
Camp fires are great as long as it is safe and friendly to the location/ environment.
If possible and allowed, make a fire.
Take insoles out of shoes and put inside sleeping (providing they are not wet)
A second stove option and backup may be worthwhile. If using gas canister, the MSR pocket rocket burner is super small and light.
Ventilate your tent.
Keep hydrated.
Protect extremities. Hands and feet. Consider hut/tent slippers.
Headtorch and spare batteries.
Headtorch is an essential item.
LUXURIES
Depending on the length of the trip, luxuries are best kept at a minimum. However, on a lengthy trip in Nepal I did take an iPad mini as it allowed me to write, provided the option for movies and music and I could re-charge in tea houses. If I was self-sufficient camping, I would leave this at home.
Take a phone. Maybe use an old-style phone and not the latest smartphone. The latter is power hungry.
iPods and fancy earphones are great, but you cannot beat a pair of simple wired earphones as they do not need re-charging.
Take a notebook and pen (if not taking an iPad mini).
A battery for re-charging.
Remember, you need to carry any luxury so be ruthless.
AVOID
Hypothermia
Frostbite
Embrace winter and the challenges it brings.
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