Weighing in at just 270 grams per ski (brake not included), the Alpinist 10 doesn't weigh you down in ascents. The heel offers 0, 5 and 9º walking modes, and an effortless return to descent mode. "Active Length Compensation" structure enables the heel to move 4 mm rearwards as the ski flexes. - 38 mm wide attachment to the ski for excellent power transfer - Weight: 250 grams without brake - DIN scale 4.0 - 10.0 - Skier max. weight 110 kg - Height 13 mm - ISI front for excellent control - Alpinist rear block offers 35 mm of adjustment range - Fast Shift Mode: instant switching between the highest climbing setup and neutral position - Compatible with crampons