Who should buy the La Sportiva G2 SM

The La Sportiva G2 SM is a high-cut double boot that’s designed for mountaineering in cold environments. Get it if:

  • you want a pair of mountaineering boots that is compatible with fully- and semi-automatic crampons for the utmost experience.
  • you are looking for outdoor gear that provides sufficient stability and cushioning.
  • you want an easy-to-adjust lacing system for hassle-free fit customization.

La Sportiva G2 SM logo

La Sportiva’s G2 SM possesses a burly Vibram sole

The G2 SM from La Sportiva is equipped with Vibram Matterhorn a mountaineering outsole that maintains its grip performance in low temperatures.

La Sportiva G2 SM Vibram and Impact Brake System

It features an Impact Brake System that creates a stopping force when going downhill. 

La Sportiva G2 SM opposing lug pattern

The outsole’s lug pattern is set in opposing slanted directions which was found to be effective in increasing braking capability by an average of 20%. This technology also lessens impact forces by around 20%.

G2 SM from La Sportiva provides comfort and support

La Sportiva G2 SM heel welt for crampon

The La Sportiva G2 SM has a 2mm polyurethane (PU) midsole, supplying both cushioning and support. It has toe and heel welts that allows for attaching crampons.

La Sportiva G2 SM toe welt for crampon

The mountaineering boot also comes with a 3 mm Honeycomb Tech insulating carbon insole that grants lightweight underfoot comfort.

La Sportiva G2 SM’s impressive upper

The G2 SM’s upper consists of three components – the gaiter, inner boot, and outer boot.

La Sportiva G2 SM zip closure

The gaiter is made of a lightweight material called Cordura, a special kind of fabric that is found to be tear-resistant. 

La Sportiva G2 SM gaiter - front view

It also possesses a laminated and taped membrane, adding water resistance as a feature. The cuff is also made of an elastic Cordura variant, allowing more flexibility for the boot’s user.

La Sportiva G2 SM zipper gaiter

Moreover, its zip closure system allows a secure lockdown while a nylon pull loop adjusts the fit of the gaiter.

La Sportiva G2 SM outer boot

The La Sportiva G2 SM’s outer boot incorporates a combination of low-density PE foam, thermo-reflective aluminum, and perforated felt, thereby achieving insulation. 

La Sportiva G2 SM boa closure system

Parts of this gear contain Cordura and Antiacqua-coated-Lorica, a kind of synthetic leather, that provides durability, breathability, and water repellency. A Dual Boa closure system provides a personalized lockdown.

La Sportiva G2 SM inner boot

This Lowa product’s inner boot is made of 6mm PE and ethylene-vinyl acetate (EVA) foam, giving extra warmth. It features a Cordura Flex Zone, which grants flexibility. A dual hook-and-loop closure system gives a secure lockdown with easy adjustability.

Facts / Specs

Weight: Men 34.2oz
Cut: High cut
Features: Vegan / Orthotic friendly / Removable insole / Zipper
Waterproofing: Water repellent
Width: Normal
BRAND Brand: La Sportiva
Construction: Vegan

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Paul Ronto
Paul Ronto

Over the past 20 years, Paul has climbed, hiked, and run all over the world. He has summited peaks throughout the Americas, trekked through Africa, and tested his endurance in 24-hour trail races as well as 6 marathons. On average, he runs 30-50 miles a week in the foothills of Northern Colorado. His research is regularly cited in The New York Times, Washington Post, National Geographic, etc. On top of this, Paul is leading the running shoe lab where he cuts shoes apart and analyzes every detail of the shoes that you might buy.