Mammut Alnasca IV Low GTX Men
48Size4
Product details
The Alnasca IV Low GTX Men from Mammut is a technical hiking shoe designed for demanding outdoor activities. With its lightweight design and low shaft height, it offers both flexibility and stability, making it ideal for approaches, hikes, and via ferratas. The breathable GORE-TEX membrane protects against moisture and wind, while the Flextron® drive plate provides additional stability on technical terrain. The EVA foam midsole enhances cushioning and shock absorption, increasing comfort during longer activities. The Vibram XS TREK EVO outsole with climbing zone ensures excellent grip, even in wet conditions. The optimized lacing allows for a personalized fit and provides extra support, so wearers can feel secure in any terrain.
- Breathable GORE-TEX membrane for weather protection
- Flextron® drive plate for stability on technical terrain
- EVA midsole for improved cushioning and comfort
- Vibram XS TREK EVO outsole with climbing zone for optimal grip
- Optimized lacing for personalized fit and support.
Colour | Green, Silver |
Exact colour description | deep silver sage-pinea |
Target group | Men |
Shoe size (EU) | 48 |
Shaft height | Low |
Fabric properties | Breathable, Waterproof |
Fastener | Lace fastening |
Item number | 66830944 |
Manufacturer | Mammut |
Category | Hiking boots |
Manufacturer No. | 3020-06620-40348-1550 |
Release date | 31.1.2026 |
Colour | Green, Silver |
Exact colour description | deep silver sage-pinea |
Material group | Fabric, Plastic |
Upper | Fabric, Synthetic |
Sole material | EVA, Rubber |
Material | EVA foam, Fabric, Rubber, Synthetic |
Target group | Men |
Age group | Adults |
Shoe size (EU) | 48 |
Shaft height | Low |
Sport | Climbing, Hiking |
Membrane | Gore-Tex |
Fabric properties | Breathable, Waterproof |
Shoe sole technology | Vibram XS Trek Evo |
Fastener | Lace fastening |
Country of origin | Vietnam |
Manufacturer commitment | Fair wear, SBTi |
CO₂ emissions | 8.76 kg |
Climate contribution | CHF 0.22 |
Weight | 410 g |
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Reviews & Ratings
Warranty score
How often does a product of this brand in the «Hiking boots» category have a defect within the first 24 months?
Source: Digitec Galaxus- 9.Columbia0.5 %
- 9.Keen0.5 %
- 9.Mammut0.5 %
- 9.Merrell0.5 %
- 9.Salomon0.5 %
Warranty case duration
How many working days on average does it take to process a warranty claim from when it arrives at the service centre until it’s back with the customer?
Source: Digitec Galaxus- 1.Mammut0 days
- 1.Scarpa0 days
- 3.Salewa1 day
- 4.Lowa3 days
- 4.Merrell3 days
Return rate
How often is a product of this brand in the «Hiking boots» category returned?
Source: Digitec Galaxus- 13.Jack Wolfskin25.5 %
- 14.Salewa26.5 %
- 15.Mammut26.9 %
- 16.Meindl27 %
- 17.Trollkids27.6 %