Atomic Backland Carbon is the truly cutting-edge boot for ski mountaineering in the Light category: comfortable to walk in for a lot of vertical but also comfortable to enjoy the descent! The stiffest boot in the Backland series, the Atomic Backland Carbon is the most versatile model offering the ideal balance of light weight and efficient walking on the ascent with a secure fit for superior downhill performance. Designed for skiers looking for downhill performance, the Prolite construction and Cross Lace 2.0 closure system fully wraps around the foot for an unparalleled foot and ankle hold, incorporating a cable in the buckle for a high-performance fit. The Frictionless Pivot and Free/Lock 4.0 ski/walk system allows a completely natural movement for an effortless ascent. The breathable and washable 3D stretch liner with Dry Fit Foam adds rigidity and wraps the foot evenly for an optimal fit. Dura Shield protects the liner from everyday wear and tear. Atomic Backland Carbon ski mountaineering boot