
Alto Light HS Pants Men
Ultralight and waterproof hardshell pants
SKU: 1020-13251-0001-44-10
In stock
Wherever you’re going, do it with confidence in the ultralight and waterproof Alto Light HS pants. Designed to keep you covered, whatever the weather, these high-performance hardshells deliver uncompromised protection from the elements in a minimalistic design. Our 2.5L DRY Tour laminate made with recycled Polyester and solution dyed fabric is completely wind- and waterproof. With full-length side zippers for quick changes on the fly, the super-packable Alto Light is sure to be a staple for your outdoor and everyday packs.
Engineered with & certified by
Mammut DRY Tour
Solution dye
An innovative dyeing method that uses up to 90% fewer chemicals, up to 85% less water, and generates up to 12% fewer CO2 emissions compared to traditional dye bath methods.
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
- 2.5-layer Mammut DRY Tour laminate for dependable weather protection
- With PFC-free Durable Water Repellent (DWR) treatment
- The more sustainable solution dye method uses up to 90% less chemicals, up to 85% less water, and generates up to 12% less carbon emissions
- Lightweight, stretchable material for optimum comfort
- Elastic waistband on pants for perfect fit
- Concealed fly with snap button
- Leg pocket with water-repellent zipper
- Full-length side zippers for putting on or taking off quickly
- Hem and leg width can be adjusted using Velcro fasteners
- Low packing volume
Product Details
- Suitable for
- Hiking, Mountain Training
- Item number
- 1020-13251
- Cut
- Regular Fit
- Water column
- 15000 mm
- Main material (Denier)
- 50Dx50D
- Breathability
- 15.000 g/m²/24h
- Weight
- 289 g
Materials & Care
Materials
- Lining
- 100% Polyester (recycled)
- Main material
- 100% Polyester (recycled)
- Membrane
- Based on polyurethane
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