Features of the Arcteryx Men's Procline AR Ski Boot Tech Binding compatible (DynaFit certified inserts) Patent-pending Cam Lock Power Strap fine-tunes Fit, it is easier to adjust than hook-and-loop closures Streamlined, low profile design buckles minimize exposure while Climbing Patented 360Adeg Rotating Cuff delivers agility on climbs and skin tracks, easily locks into ski mode for support and response Full coverage High Density SOFTSTRETCHA(R) gaitor with TPU reinforcements Ultralight ULTRAMID SHELL 1000MPa provides rigid support for the descent Patent-pending Hybrid Closure System provides a secure, Highly adjustable full-foot Fit with no pressure points Crampon compatible Weatherproof construction Lightweight Durable Lateral Rotation 12Adeg Internal/24? External Vertical Rotation: Forward +42Adeg/Backward -30Adeg Last width 98mm Flex Index 100 Forward Lean: 13.5Adeg