Compressport Ultrun 140G Pack – Race Vest

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Just when you thought a running hydration vest couldn’t progress any further in terms of design and fit, Compressport tip the apple cart over and come up with the ULTRUN 140G PACK which is available in a male and female versions. On test, we have the male version, you can view the female version HERE.

On first impressions, this pack is considerably light, good looking (red and black always works) and most definitely makes you look twice due to some very unique design features. The pack comes in one size and although Compressport say the pack will expand to many different sized people, I do wonder how big? I tried the vest on over a jacket and then a down/ padded jacket and it still fit with comfort. Ultimately, I think if you have a big chest, it may well be a good idea to try on in store before purchasing.

In total, the pack has 10 pockets that vary in size which are all made from expandable and stretchy mesh, The benefits of this are easy to see, if you are being minimalist, the pack remains small, lightweight and you have no excess material flapping around. If you need to carry anything from i jacket to a whole list of mandatory kit, the pack can expand and stretch to your needs. It can actually expand considerably. The other plus side is that mesh holds everything tight and therefore reduces bounce. The down side? Well, you just need to plan carefully on how you fill the mesh pockets. Just make sure essential items go in last so that they are near the top.

Weight of the pack on test is 169g which of course is considerably light. It’s closest rival/ competition would be the Salomon S-Lab Sense Ultra 3 which weighs 129g, review HERE.

Compressport say it has taken 3-years to develop the pack and it boasts the ability to hold 3.6L of liquid in addition to the usual mandatory kit for an ultra-trail race. The liquid capacity is calculated as follows:

  • 2 x 500ml or 2 x 750ml bottles on the chest pockets.
  • 1x 600ml soft flask sitting in the lower back.
  • 1 x 1.5ml bladder in one of the compartments in the upper section on the back of the pack.

Unfortunately the pack comes with no bottles or soft-flasks. A major flaw in my opinion. I would at least expect 2 x soft-flasks for the front of the pack and due to the unique design of the pack, I would like to have seen a 1.5l bladder for the rear. I’m not a fan of bladders but I wonder how easy it is to purchase a bladder, off-the-shelf that will fit in the Ultrun 140G?

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I must note here, the option to sit a hard bottle or soft flask in the lower back is an inspired idea. It sits in it’s own sleeve which can opened on the right or left. As mentioned, I am not a fan of bladders so to have 2 x 5-750ml bottles on my chest and a spare bottle in my lower back is ideal. To clarify, you wouldn’t want to keep adding or removing the bottle from your lower back. You can access it without taking the pack on and off but it would be a little messy while trying to run. The idea here is to carry a spare and then change it with an empty bottle on the chest. A soft flask does sit more comfortably here but is harder to add and remove. Don’t need an additional bottle? This pocket can be used for a windproof, gloves, buff, hat etc.

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In regard to capacity, the pack is spacious and it’s ideal if you want to carry essential items such as:
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  • Gloves
  • Hat
  • Windproof
  • Lightweight trousers
  • Buff
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But I am not sure how much more it could take? For example, I don’t see how it would be possible to add mandatory kit for a race such as UTMB where waterproof jacket and trousers are required in addition to other base layers. This is not a criticism, I am just clarifying that the Ultrun 140G has a limit.
Sitting high on the torso, the Ultrun 140G fits comfortably with little or no bounce and the design allows for plenty of breathability. Compressport call this Ventilation 360º.
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 Fastening at the front is quite ingenious using a knotted lace pulled through holes on the left and right. It’s so simplistic it’s brilliant and it is fool proofing even when wearing gloves.
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The lower fastening method uses a classic male/ female buckle that again is large enough to be opened and closed whilst wearing gloves.
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As you would expect the pack has a whistle which sits on the upper right hand shoulder strap. It’s possible to remove this and place elsewhere should you wish.
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The bottle pocket will accommodate  a 500 to 750ml bottle or soft flask and it has a draw cord to ensure that either system is held in place. A smaller bottle or flask fits more snuggly and has less bounce.
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On the outside of the bottle pockets its a small elastic pocket that would hold a gel/ gels and/ or hydration tablets etc.
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On the hips on either side are two mesh pockets with a tab and velcro fastening. They are designed for on-the-go access to food and or other essential items. You can squeeze cloves or a hat in them too should you wish, but not at the same time as food!
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Sitting just under these pockets and 2 elastic cords with a toggle. They are used for attaching poles and finally the system works with many of the new shorter poles such as the Black Diamond Z pole. The poles are intended to attach to the side but I also got them to sit in my lower back underneath where the bottle would sit.
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The ergonomic design has been created to allow for complete comfort and I can confirm, it feels great. It’s refreshing to have a pack that has had a refreshing rework in design over what is currently available from other brands. At the end of the day, it’s a race vest and many products are available to choose from. If you are looking for a vest, I would recommend giving this a look.
It’s still early days for our testing and so we will come back with an update in a few months.
What’s wrong with the pack?
Well, not a great deal. It fits, it’s comfortable, it holds essentials and provides plenty of options to carry liquid.
However, on-the-go access is limited to just the 2 small side pockets, which for many runners will hold food. So, should you need your jacket, gloves, hat or any other item, you will need to remove the pack. To be fair, this applies to most other packs, the exception coming with the larger packs offered by inov-8, Salomon and other similar brands.
Click on the images to view larger:

Compressport can be found HERE

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8 thoughts on “Compressport Ultrun 140G Pack – Race Vest

  1. Not in the same class as Ultraspire…in fact when it comes to Minimalist packs with build quality The Alpha 2 still leaves the pretenders behind!!

      • Actually I sell them in our Trail Shop….only had a demo of this model which fell apart after a week of mild training. I am fortunate to Test all the elite packs and although we all have our preferences …you can’t match the build quality of Ultraspire!

      • Interesting, maybe the demo was a prototype? This one is well made and extremely durable but it’s all down to personal tastes and preferences. The UD’s just don’t do it for me, too many little issues and problems that cause me not to use them. The issues even crossed over to the Fastpack, I did a 2 day with the 32L and although it has so many pluses just 1 or 2 minor niggles spoilt the experience. I believe the new UD range (so I have heard) is excellent. Be good to see them.

  2. Ian, thanks for the review of the Compress Sport hydration pack. Regarding your comment to Doc, I hope you are not confusing UD (Ultimate Design) with UltraSpire. The manner of your response would suggest this. As Doc states UltraSpire has everyone beat on quality though there is a lot to appreciate with the compressible designs of Salomon and the CS pack in your review. Thanks again.

    • I was referring to Ultimate Direction (UD). Doc was referring to UltrAspire I believe. I like UltrAspire and I have the Alpha, the older Fastback pack (can’t remember the name) that had 2 bottles that sit at the base of the back. All well made as Doc says but the way the vest fits just doesn’t do it for me. It doesn’t hold still or secure enough. All personal. Out of choice, the Salomon, inov-8, the new Scott Vest and now the Compressport are preferable for me in regard to fit and bounce reduction.

  3. Pingback: Where to put those poles? | Alpine Endurance

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