Men's Mountaineering Trousers - Alpinism Black


These trousers for glacier hiking, cold-weather mountaineering and ski touring were developed in partnership with our mountain guides.

Warm and durable, they offer great freedom of movement. Modular design with: adjustable detachable braces ventilation zip reinforced and gusseted lower leg detachable built-in gaiters

Color: BLACK
Size: size guide


Product benefits

Freedom of movement

Gusseted crotch, pre-shaped knees, 7% elastane stretch fabric.

Water repellent

Water repellent component, resistant to light rain.


Main fabric weight = 275 gsm Reinforced lower leg patch component


Breathable fabric. 2 side ventilation zips.


Fabric with excellent windproofing.


Pockets are accessible when wearing a harness. Gusseted lower leg.


Detachable gaiters and braces.

Technical information


- 2 zip hand warmer pockets, accessible when wearing a harness.
- 1 thigh pocket.
- 2 side ventilation zips.
- Elasticated waistband.
- Adjustable and detachable braces.
- Reinforced inner lower leg for protection from crampon spikes
- Gusseted lower leg to fit the trousers over mountain boots or ski boots (double fastening: zip and press stud)
- Detachable built-in gaiters.


Straight leg.
Product measurements in size L:
- Waist measurement: 108 cm
- Crotch length: 83 cm

Score to compare the environmental impact of products

The environmental impact of the product is calculated over its entire life cycle and with different indicators. An overall score (ABCDE) is attributed to help you easily identify the products with the best environmental performance by comparing products of the same type with one another (T-shirts, trousers, backpacks, etc.).
Decathlon chose to apply this voluntary environmental labelling scheme.
To get more information:


2 years

Product concept & technology

Product Composition

Main fabric 50% Polyamide, 43% Polyester, 7% Elasthane Lining 100% Polyamide Pocket 100% Polyester Yoke 100% Polyester Secondary lining 100% Polyamide

Approved By

Team SIMOND mountaineers for mountain ascents.

Maintenance advice

Machine wash - 30° max - normal

Do not bleach

Tumble dry - low heat

Do not iron

Do not dry-clean

Customer reviews


Environmental Impact

The carbon footprint of this product is:
39.84 kg CO2e
1 kg of CO2e represents 5km in a petrol car (according to the Base Carbone© of ADEME)
What's the carbon footprint ? We evaluate the environmental impact of all our products. At all stages of their life cycle: from the extraction of the raw material, passing through transport to the plant which transforms them, the transformation, the manufacture, the transport of the finished product, until its use and end of life. Find out more
The environmental note of this product is: E
What is the environmental note? Overall environmental score for this product in comparison to others in the same category. It is calculated based on its impact on the environment (air and water emissions, greenhouse gas emissions, depletion of natural resources) at each stage of its life cycle, according to a system managed by ADEME. Find out more