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Sale price: 11.500 KD Regular price:
Color: Choose a color
Size: Select a size
Sale price: 11.500 KD Regular price:
Model: 8488292

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Product Features

10 L TRAIL RUNNING BAG UNISEX - BLACK AND RED : Designed by our team of enthusiasts, this 10 l bag provides you with an easy way to carry all your mandatory gear on ultra trails of up to 80 km.

Want to make nutrition and hydration easy on your trail run? Try our practical, lightweight bag, to carry everything you need and keep all your gear to hand while running.



Kit yourself out: 10 L storage capacity in front and back pockets!


6 front pockets (nutrition and soft flasks) and 4 back pockets for gear.


More lightweight: your bag weighs only 285 g without the water bladder.

Anatomic design

A bag suited to your needs: choose between XS/S and M/L


A bag that stays in place: 2 side straps and 3 adjustable chest straps

Ease of use

Easily store gels, bars, and two 500 ml flasks in the front pockets.

Easy hydration

Stay hydrated: 1 L water bladder included, storage for 2 soft 500 mL flasks.

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Product Reviews

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2390 reviews

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Trail running back pack

Have used this pack for Ironman training, loads of storage really comfortable, even when loaded absolutely perfect for long runs , even use it on my mountain bike recommend it great price as well

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Black and White!

This Tail Running Vest is Black and white, my wife has two red and black ones, so I thought I would buy her another colour. She has the option to change the complete vest on long runs, its just means buying two of every thing for the compulsory carry rules applied to trail runs!. This I have found tends to be much easier than trying to refill soft flasks in a hurry.

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Really good piece of kit

Due to current situation, have not been able to do longer runs but has been brilliant on shorter runs. Lots of room and useful pockets, comes with a bladder which is a bonus. My only gripe would be sizes as only small or large available, I'm a size 12 and fit in the small but have to have the fasteners at the end of their elastic.

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Great bag, has lasted many runs in all weather

I've had this bag for over a year and done many ultra trail runs, mountain runs and long road runs and this bag has never let me down. The pockets at the front are perfect for 500ml soft flask, snacks and my phone. I can fit 1.5lt bladder in the bladder pocket. Poles are also easy to attach with the yellow loops and secure. 3 straps across the front are easy to adjust depending on how many layers I have on and I always feel comfortable. No complaints, would highly recommend.

Great Value Pack

Great value

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Excellent quality/price ratio

Best buy. I barely feel it while running yet, it packs so much of my clutter.

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Quality product

So many pockets, so many options for how to set it up for your runs. My favourite feature is how the chest straps are moveable, allows me to get it as comfortable as possible. No movement whilst running, fits tightly to your body. Great purchase

Great bag

I have been really happy with my bag so far. It’s very light and fits quite a lot in!

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Running Bag

Great value for money. Comfy to wear.

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Trail running bag

Great fit

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Great for trail and marathon running

Had this pack now for a year, with no wear and tear apart from the 1ltr sack which has developed a small leak.(its cheap to replace, and guess this would be expected to fail/be replaced eventually). I have used it for mountain marathons and 6-8hr runs and found it ideal for carrying capacity, snug fit, and ease of putting on/taking off. The way I use it....Water proof top goes in the bottom pouch on the back(easy to reach round without taking off), food supplies and w/proof trousers etc go in the zipped pouch, and nibbles and water in the front pouches(sometimes buff and gloves too). Toying with trying a 2ltr water sack in it, but your page does not say whether this is possible, Brilliant product and definitely value for money

Great for SUP

Used on SUP races where a PBA is not compulsory, no bulk, great pocket arrangement. Just need to get the biggest size I found as its quite compact. Used in conjunction with a 1L, 2L or 3L (bit squished on the 3L but still functional) hydration bladders.

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This is a first class Trail Running Vest.

I was so pleased with this Trail Running Vest, bought for my wife it gives so many carrying options, 1L bladder, 2 500ml soft flask pouches, numerous pockets front and back. One thing I would say was we mulled over for some days on what size to order, we opted for XS/S when the vest arrived it had a size on the label 93cm/ 36.6in, perhaps Decathlon might like to add these sizes to their web page. This trail vest offers the best value for the money in my opinion on the market today, well done Decathlon. MJS

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Looks great but poorly made.

I really wanted to like this, I thought it offered great product compared to high price branded items. Unfortunately the quality just isn't good enough, the stitching has come away and the zip bust about 2 weeks in making it useless. I am annoyed as I wasted my money and will have to buy another product elsewhere.

Hi Lucy,

Thank you very much for taking the time to send your feedback. I am sorry to hear this.

It seems that there might be a default in the bag from your comments. Please, do not hesitate to visit your local store and our running experts would be more than happy to look at it and exchange or return the backpack.



UK Running Leader

Unsupported solo runs

Good for holding gels/food and storing used wrappers for said food, the 1 litre can reservoir can sneak in 1200mls (managed marathon distance on this), tube could be a bit longer though. Good easy access pouch on the back for gloves/hats/mac's etc. This is my first running back pack so nothing to compare it to but have run a couple of half marathons, a 30k + full marathon distance and does everything I need it to, so very happy, well done Decathlon, 5 ⭐.

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Additional Product informations


Main fabric

  • 100% Polyester


  • 26% Elasthane
  • 74% Polyester

Back fabric

  • 20% Elasthane
  • 80% Polyamide


  • 90% Polyester
  • 10% Polyurethane

Choosing your size

Measure your waist size at the belly button:XS/S: 73 cm to 82 cmM/L: 83 cm to 89 cm

10 litres and 10 pockets to carry your essentials on a trail run.

There are 6 pockets at the front so you can reach your essentials in a single move:- 2 pockets for 500 mL soft flasks- 4 mesh pockets for gels, bars and collapsible beakerThere's a secure pocket at the back to store your valuables (smartphone, keys, survival blanket), a main pocket to store your clothes and headlamp, and a big mesh pocket to keep your rain jacket always handy.

A bag designed to keep you hydrated on trail runs

With space for a 1-litre water bladder on the back (included, attached by hooking on) and 2 front pockets for 500-mL flasks, this bag allows you to carry up to 2 litres of water in total.Considering that you drink an average of 500 mL of water per hour while trail running, that gives you 4 hours of autonomy. Enough to give you peace of mind between aid stations!

So, what about the water bladder?

Your bag comes with a one-litre water bladder included. It's suitable for temperatures ranging between -20 and +40°C, for water: no milk, no alcohol, and no putting it in the microwave ;)As to the tube, you can cut it to whatever length you like!

A bag so light you don't even notice it

In trail running, every gram matters! Weighing 285 g when empty, your bag is truly lightweight.And to fit your personal requirements, it's available in two sizes (XS/S and M/L) and is easily adjustable:- you can adjust the height of the three front straps- the two rip-tab side straps adjust the tightness of the bag Result: your bag stays so stable you'll forget you've even got it on while trail running.

Loads of design features to make your life easier

Trail running puts you in situations of extreme fatigue. That's why we've designed a bag that makes every move easy.- The water bladder tube is clipped on, so as to remain near your mouth at all times.- The mesh pocket at the back allows you to reach your rain jacket in one move.- The 110 dB safety whistle is incorporated into a front pocket.

Never run without your poles?

Along with the whistle - mandatory in many races - which is located in the little chest pocket (hence near your mouth!), this bag also features 2 elastic straps on each side to attach your 3-section trail running poles.

Gaëtan, kalenji product manager, introduces his team of trail running enthusiasts:

"For us, it's a matter of pride to design and test our products ourselves. We wanted to make a bag we'd be proud to wear. I took part in 6 or 7 trails last year from China to the OCCⓇ in Chamonix. And the big challenge awaiting our trail team in 2019 is the Diagonale des Fous!"

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