La Sportiva

Stratos Hi-Cube Boot

You can search high and low but you're not going to find a boot much lighter than the La Sportiva Men's Stratos Hi-Cube Boot. Designed with the help of Italian World Cup champion, Damiano Lenzi, this boot is for elite racers prioritizing optimal efficiency. Oh, and they weigh a mind blowing 450 grams per foot—yep, you heard that right, a pair of these kicks weighs less than two pounds. 

The carbon construction provides race-level strength without adding weight, and the waterproof Schoeller stretch fabric gaiter keeps your feet dry and protected from snow, ice, and loose rock. An impressive 75-degree range of motion in walk mode lets you stride past the competition with ease, and the ski/walk mode lever is integrated into the top buckle for quick and efficient transitions. The High-Cube liner is actually a two-piece bootie that's thermo-moldable for a dialed fit. Vibram rubber soles keep you upright while you're cruising through slick and uneven terrain and the new spur-heel construction lets you promptly attach crampons without wasting valuable seconds.