Mammut Alnasca IV Low GTX Men

43, 43.5
3Ratings
BrandMore from Mammut
Delivered between Tue, 15.9. and Wed, 16.9.
Only 2 pieces in stock at third-party supplier
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free shipping

Size2

Product details

The Alnasca IV Low GTX by Mammut is a technical approach shoe specifically designed for demanding hikes, via ferratas, and alpine adventures. With a leather upper and a breathable GORE-TEX membrane, this shoe offers protection against moisture as well as optimal comfort. The Flextron® drive plate provides stability and precision on technical terrain, while the EVA foam midsole enhances cushioning and shock absorption. The Vibram XS TREK EVO outsole with climbing zone ensures excellent grip, even in wet conditions. The optimized lacing allows for a personalized fit, combining flexibility with additional support, so wearers can feel secure in any terrain.

  • Breathable GORE-TEX membrane for optimal 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 excellent grip
  • Optimized lacing for personalized fit and support.

Key specifications

Colour
Black, Blue, White
Exact colour description
Black, Blue, Marine, navy-white, White
Target group
Men
Shoe size (EU)
43, 43.5
Shaft height
Low
Fabric properties
Breathable, Waterproof
Fastener
Lace fastening

General information

Item number
66636678
Manufacturer
Mammut
Category
Hiking boots
Manufacturer No.
3020-06620-5899-1090
Release date
27.1.2026
Sales rank in Category Hiking boots
256 of 20311

Colour

Colour
Black, Blue, White
Exact colour description
Black, Blue, Marine, navy-white, White

Material

Material group
Fabric, Leather, Plastic
Main fabric material
Leather
Upper
Fabric, Leather, Natural rubber, Polyester, Polyurethane, Synthetic
Sole material
EVA, Plastic, Rubber
Material inner lining
Polyamide, Polyester
Material
Abrasion-resistant rubber, EPE, EVA foam, Fabric, Leather, Natural and synthetic textiles, Polyamide, Polyester, Polyurethane, Synthetic

Target group

Target group
Men
Age group
Adults

Shoe properties

Shoe size (EU)
43, 43.5
Shaft height
Low
Sport
Hiking
Membrane
Gore-Tex
Fabric properties
Breathable, Waterproof
Shoe sole technology
Vibram XS Trek Evo
Fastener
Lace fastening

Origin

Country of origin
Vietnam

Sustainability

Manufacturer commitment
Fair wear, SBTi

Voluntary climate contribution

CO₂ emissions
8.76 kg
Climate contribution
CHF 0.22

Product dimensions

Weight
410 g

30-day right of return and free return shipment
24 Months Warranty (Bring-in)

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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
  • Mammut
    Not enough data
  • 1.Scarpa
    0 days
  • 2.Salewa
    1 day
  • 3.Lowa
    3 days
  • 3.Merrell
    3 days

Return rate

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

Source: Digitec Galaxus
  • 16.Salewa
    26.4 %
  • 17.Meindl
    26.7 %
  • 18.Mammut
    27.5 %
  • 19.Adidas
    28.5 %
  • 19.Garmont
    28.5 %
Source: Digitec Galaxus