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Alpinism Mountaineering Pants
These pants provide excellent thermal regulation. They are both comfortable and durable with reinforced protection against crampons at the bottom of the leg.
Free shipping over $35
Final Sale: No returns or exchanges
Free returns
Free pickup
San Francisco, 735 Market St. Options
Select an available color and size to see options.
Product Videos
Product Features

Freedom of movement
Gusseted crotch, pre-shaped knees, 8% spandex stretch fabric.
Abrasion resistant
Reinforced component on lower leg (15% Aramid), fabric weight = 6.8 oz/m2.
Water repellent
Water-repellent component can handle light rain but is not waterproof.
Breathability
Quick-drying, highly breathable and lightweight fabric.
Pockets
3 zip pockets, including 1 thigh pocket, easy to access wearing a harness
Compatibility
Gusseted lower leg for wearing with ski boots.
Adjustable
Adjustable waistband.
Product Customer Reviews

I first purchased these pants three years ago after a friend's recommendation. They lasted two seasons until I destroyed them on a glissade. They are stretchy, breathable, light protection and the ankles have crampon patches. Now, for the bad part. And this is an ongoing struggle with Decathlon in the US. THE SIZING, the inconsistent, multiple-sized clothing. So, I ordered a pair in Large. I am sent a pair with a shopping tag that says M/L and the inside tag says it's a US S/M. Please tell me how this makes sense to anyone? They do say to size up, which I did, but a S/M is very different from an L or even a M/L. This is a constant battle with Decathlon because they aren't consistent and there is no reason they should market one size on their website, have a different product tag for in store shopping and yet another different one for inside the pants. Unfortunately, these are not pants that are regularly stocked in SF or Emeryville, so you have to play the game of ordering them and then play a return, exchange, order a new pair.
I love these pants and ordered another pair. They do fit small, I am normaly a small and ordered a medium based on other small sizing products from decathlon. Im glad I did, the medium fits nice. They real color is dark grey which I like.
Like the design, especially the fit, the belt, useful pockets. The lower leg patch feels a bit rough on skin, doesn't go well with ankel socks. The stretchy frabics for the trousers are quite warm (for winter in hk) and rather abrasion resistant, although it gets hairy after a few exposure to rocks and other rough surfaces. The belt seems to need a stronger sewing work as it seems to start falling off. Got it at a higher price :(
Very good fabric & product. Design could be much better
One can wear them for at least a couple of days. Comfortable. Used it on long drives too.
They have the right amount of stretch. The cuffs on the inner side of the ankle are hardy when worn with boots. Accessible zippered pockets
Панталонът е супер за целогодишна употреба, но не е непромокаем. Здрав и е еластичен, което го прави много удобен
След еднократна употреба стои много добре, лек и удобен за пътешествие в планината.
S kalhotami jsem velmi spokojena. Příjemný materiál. Používám je do města, ale i na turistiku.
Jsem s kalhotami velmi spokojená:)
Kalhoty skvěle sedí, jsou pohodlné, krásně pružné, dole mají zesílenou část která zabraňuje proti oděru. Za mě skvělá volba.
Kalhoty používám na turistiku, vycházky, tůry a jsou pružné, lehké, pohodlné. Koupila jsem si ještě jedny do "zásoby". Jsem spokojená.
Lehké, pohodlné, dobrá cena. Nyní použito na běžné nošení do přírody. Splnily očekávání.
Velice pohodlné, strečové kalhoty. Odolné a lehké. Jsem maximálně spokojená.
Pohodlne
Size Guide

Additional Product Information
Composition
Main fabric: 8.0% Spandex, 72.0% Polyamide, 20.0% Polyethylene Terephtalate ; Pocket: 100.0% Polyethylene Terephtalate ; Yoke: 85.0% Polyamide, 15.0% Aramid
Accessories
- 2 zip hand pockets, accessible when wearing a harness- 1 zip thigh pocket, accessible when wearing a harness- Elasticated waist and removable adjustable belt - Aramid inner lower leg patches for protection from crampon spikes - Gusseted lower leg to fit the pants over mountain boots or ski boots (double fastening: zipper and press stud).
Cut
These pants are slim fit; the stretch fabric (8% spandex) with let you move with ease.Product measurements in size S: Waist measurement: 39.4” Crotch length: 32.3”.
Origin
Imported
Superior quality. Unbeatable prices.
For 40 years, Decathlon has delivered the best value in the retail sports industry by offering high-quality, sustainable and cost-effective products.
Decathlon makes the difference
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Research and development
delivers high-quality cost-effective products
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State-of-the-art production processes
minimize manufacturing costs
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Optimized supply chain
reduces retail prices
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Minimal retail footprint
lowers overhead and indirect costs

Alpinism Mountaineering Pants
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Heavy products return policy
If you return a product you will receive a refund for the purchase price plus any applicable sales taxes, less any non-refundable charges.
Decathlon will cover all shipping costs associated with your return except for items excluded from our return policy such as bikes, basketball hoops, snowboards, surfboards, tents, and other larger / heavier items.
Return costs for heavy products:
Weight Thresholds | Shipping within California | Shipping outside of California |
---|---|---|
> 9 lbs | $20.00 | $25.00 |
> 30 lbs | $50.00 | $65.00 |
> 100 lbs | $100.00 | $125.00 |
> 200 lbs | $200.00 | $230.00 |
If you return a product at any of our store locations, we will gladly help you find the best alternative product or refund you on the spot.
