Mammut Alnasca IV Low GTX Men

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Product details

The Alnasca IV Low GTX Men by Mammut is a comfortable and waterproof approach shoe, ideal for hiking, via ferratas, and technical terrain. Its breathable GORE-TEX membrane reliably protects against moisture and wind, while the FLEXTRON drive plate ensures stability and precise climbing. The EVA foam midsole provides excellent cushioning and shock absorption, enhancing comfort. The Vibram XS TREK EVO outsole with climbing zone guarantees optimal grip, even on wet surfaces. The optimized lacing system offers flexibility and additional support, allowing you to move confidently in any terrain.

  • Breathable GORE-TEX membrane for weather protection
  • FLEXTRON drive plate for stability and precision
  • EVA midsole for improved cushioning
  • Vibram XS TREK EVO outsole for optimal grip.

Key specifications

Colour
Blue, White
Exact colour description
navy-white
Target group
Men
Shoe size (EU)
48
Shaft height
Low
Fabric properties
Breathable, Waterproof
Fastener
Lace fastening

General information

Item number
66638213
Manufacturer
Mammut
Category
Hiking boots
Manufacturer No.
3020-06620-5899-1550
Release date
27.1.2026

Colour

Colour
Blue, White
Exact colour description
navy-white

Material

Material group
Fabric, Plastic
Upper
Fabric, Synthetic
Sole material
Rubber
Material
Abrasion-resistant rubber, Fabric, Synthetic

Target group

Target group
Men
Age group
Adults

Shoe properties

Shoe size (EU)
48
Sport
Climbing, Hiking
Shaft height
Low
Membrane
Gore-Tex
Fabric properties
Breathable, Waterproof
Shoe sole technology
Vibram XS Trek Evo
Season
3-seasons
Fastener
Lace fastening

Origin

Country of origin
Vietnam

Sustainability

Manufacturer commitment
Fair wear, SBTi

Product dimensions

Weight
410 g

30-day right of return and free return shipment

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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.Columbia
    0.5 %
  • 9.Keen
    0.5 %
  • 9.Mammut
    0.5 %
  • 9.Merrell
    0.5 %
  • 9.Salomon
    0.5 %

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.Mammut
    0 days
  • 1.Scarpa
    0 days
  • 3.Lowa
    3 days
  • 3.Merrell
    3 days
  • 5.Salewa
    4 days

Return rate

How often is a product of this brand in the «Hiking boots» category returned?

Source: Digitec Galaxus
  • 13.Vibram
    25.8 %
  • 14.Salewa
    26.6 %
  • 15.Mammut
    27.2 %
  • 16.Meindl
    27.3 %
  • 17.Trollkids
    27.4 %
Source: Digitec Galaxus