FEATURES_x000D_ INSOLE_x000D_ MOUNTING INSOLE_x000D_ Pro-Fiber XT 20 ergonomic insole in Polypropylene + fibreglass with differentiated thicknesses and rigidities with upper EVA coating. Maximum comfort, durability and anti-torsional efficiency._x000D_ UPPER_x000D_ Perwanger 3mm water-repellent suede upper + water-repellent microfibre inserts. Protective rubber rand for maximum durability._x000D_ LACING_x000D_ The new “Speed Lacing” fastening system with small bi-component parts in lightweight steel and plastic. The fastening that extends towards the toe is divided into two sections. The lower part with eyelets allows the laces to pass through smoothly and adjust the fit in a single movement. The upper section has a lace-locking hook that divides the fastening tension areas and hooks to consistently and progressively wrap the ankle, for a comfortable fit without restraint._x000D_ LINING_x000D_ Waterproof GORE-TEX Performance Comfort lining._x000D_ SOLE_x000D_ The Pentax XT Sole is compatible with semi-automatic crampons._x000D_ OUTSOLE_x000D_ The Vibram® Mont rubber compound ensures stability and durability.