Who should buy the Mammut Alnasca Low GTX

The Alnasca Low GTX is an astonishing piece of Mammut gear—one that looks as good as it performs. It is a solid option if you:

  • Prefer an approach shoe that is built primarily for hikers-slash-climbers who wish to have a combination of lightness and precision in their step.
  • Prefer an approach shoe that promises lasting comfort, ideal for extended approach trips.
  • Prefer an approach shoe that ensures the ankle remains as locked in as possible.

Mammut Alnasca Low GTX logo

Provides slip and skid resistance

The Alnasca Low GTX’s provision of slip and skid resistance comes from its Michelin Rock Tech outsole. It offers multi-directional traction with its low-profile lugs. 

Mammut Alnasca Low GTX outsole

Excellent toe gripping performance

Mammut designers gave it a treaded climbing zone to grant hikers added grip when toeing over boulder-type surfaces. They also furnished it with a heel brake for extra descent control.

Mammut Alnasca Low GTX outsole 1

Provides stability and cushy underfoot 

With its Dual-Tech midsole, this approach-centric shoe from Mammut gets to supply users with enough stability and cushioning underfoot. It has a dual-density construction, which delivers zonal comfort, especially during transitions. The rear region of this cushy component comes with a heel stabilizer made of TPU (thermoplastic polyurethane).

Mammut Alnasca Low GTX midsole

Supportive and comfortable footbed

Rounding out all things midsole in the Alnasca Low GTX is its anatomically shaped insole. Aside from added cushioning, this subcomponent also grants additional support.

Mammut Alnasca Low GTX insole

Waterproof

What wraps the foot in the Alnasca Low GTX is the hiker’s partly textile, partly velours leather upper. Its plush bootie is engineered with Gore-Tex’s Extended Comfort liner, making the shoe capable of fencing out intrusive wet elements while allowing moisture to wick out from the inside.

Mammut Alnasca Low GTX upper

Abrasion-resistant

A rubber toe cap takes point in this shoe, delivering abrasion protection and extra toeing traction at the same time. The upper’s heel, on the other hand, is furnished with a TPU plating (a.k.a. the 360 Heel Support), which further reinforces the shoe’s rear zone.

Mammut Alnasca Low GTX heel

Snug fit

Making the Mammut Alnasca Low GTX’s upper come full circle is the shoe’s fit management system. It is made up of combination eyelets, synthetic lace, and the Base Fit technology, which consists of a system of heel-hugging cords.

Mammut Alnasca Low GTX laces

Facts / Specs

Weight: Men 435g / Women 360g
Features: Heel brake
Technology: Gore-Tex
Material: Leather
Waterproofing: Waterproof
Top: Low

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Author
Teddy Dondanville
Teddy Dondanville

Teddy is a professionally trained Apprentice Rock Guide with the American Mountain Guides Association and a Wilderness First Responder with the National Outdoor Leadership School. Besides guiding outdoor rock climbing, Teddy also has years of experience in route setting and coaching climbing indoors. Through his guiding, route setting, and coaching, Teddy has experimented with climbing shoes for over a decade.