
Eiger Extreme
Eiger Nordwand Pro SO Pants Women
Durable, softshell winter mountaineering pants
SKU: 1020-14100-0001-32-10
In stock
A jack-of-all-trades for cold-weather mountaineering where freedom of movement and breathability are key. Exposed areas feature a biobased Polartec® Power Shield™ Pro stretch material that’s waterproof, windproof and breathable. The recycled, durable and wind-resistant secondary fabric at high-sweat zones has 4-way stretch for freedom of movement. Part of our iconic Eiger Nordwand collection and tested by our athletes, these pants are built for longevity and repairability. Our design approach maximizes performance with fewer resources, creating more environmentally conscious products for the most extreme conditions. From ski mountaineering to ice climbing, the Eiger Nordwand Pro SO Pants bridge the gap between hardshell and softshell pants, delivering weather protection, durability and all-day comfort.
Engineered with & certified by
Mammut FLEXGUARD Active
4-way-stretch softshell designed for the mountains. This dense, double-weave material offers remarkable abrasion resistance without compromising breathability and mobility.
bluesign® PRODUCT
The bluesign® SYSTEM is a solution for sustainable textile production that eliminates the use of harmful substances. bluesign® PRODUCTS guarantee a responsible use of resources with a minimum impact on people and the environment.
PFC-free DWR
Perfluorinated compounds (PFCs) are often used for waterproofing but are practically non-biodegradable. Mammut is committed to replacing non-biodegradable fabric treatments with more sustainable high-performance alternatives.
Fair Wear
Fair Wear works to ensure fair and safe working conditions in garment factories. The non-profit engages directly with factories, trade unions, NGOs and governments to protect workers’ rights.
Recycled
This product contains recycled materials with uncompromised performance and functionality. Choosing recycled materials reduces the use of virgin resources and helps promote a more circular economy.
Features
- Body-mapped with high-performance materials for optimal warmth, breathability, durability and freedom of movement
- 3-layer biobased Polartec® Power Shield™ Pro is waterproof, windproof, stretchy and breathable, with a PFAS-free DWR finish
- Double-weave recycled nylon with 4-way stretch for abrasion resistance, wind resistance, breathability and freedom of movement
- With PFC-free Durable Water Repellent (DWR) treatment
- Climbing-specific pattern for an articulated fit and freedom of movement
- Adjustable and removable low-profile stretch suspenders
- High waistband at backside for comfort and protection
- Dual-sided hook and loop waist adjustment with grosgrain tab extension for optimal fit and improved usability when wearing gloves
- 2-way #5 YKK® coil side ventilation zippers with mesh lining for snow protection
- Two climbing harness-compatible front pockets with #5 YKK® VISLON® zippers
- One climbing harness-compatible thigh pocket with #5 YKK® VISLON® zipper
- Lower leg width hook and loop adjustment with grosgrain tab extension for optimal fit and improved usability when wearing gloves
- Dyneema®-reinforced lower hem and crampon protection with high abrasion and puncture resistance
- Shaped hem is shorter at the front for a seamless fit with mountaineering boots
- Removable, fully adjustable gaiters with anti-slip tape and lace hook for a seamless fit with ski and mountaineering boots
- Strategically placed top stitching for increased tear strength at critical seams
Product Details
- Suitable for
- Mountaineering, Ski Touring
- Item number
- 1020-14100
- Cut
- Athletic Fit
- Weight
- 750 g
Materials & Care
Materials
- Main Material - Backing
- 100% Polyamide
- Insert - backing
- 100% Polyamide
- Insert
- 100% Polyamide
- Insert 2
- 92% Polyamide (recycled), 8% Spandex
- Insert 3
- 91% Polyamide (recycled), 9% Polyethylene (biobased)
- Lining
- 100% Polyester (recycled)
- Lining 2
- 100% Polyamide (recycled)
- Lining 3
- 14% Spandex, 86% Polyamide (recycled)
- Main material
- 100% Polyamide
Product care
Do not bleach

Do not dry clean or use solvents to remove stains
Max. ironing temperature (110° C) Take care when steam ironing
Gentle iron the garment (warm, without steam) with cloth in between to reactivate the DWR treatment

Tumble dry gentle
Machine wash on gentle cycle (max. 30º C)
Shipping & Returns
Return period
We offer returns within 30 days for full-price items and 14 days for sale items.
Returns information