Polartec Windbloc for maximum weather protection; 6mm drop for a smooth gait and greater efficiency; Dynamic Tech Roll System to decrease fatigue and effort while walking; TPU crampon insert with different thicknesses, minimalist, for maximum lightness; Co-molded TPU insert reinforced with fiberglass for a functional flexion and support system, with differentiated thicknesses to ensure stability and anti-torsion control; Bi-Density PU midsole to functionally combine shock absorption and stability. TPU skin increases the abrasion resistance and durability of the midsole; Ortholite O-Therm insole provides excellent warmth and all-day comfort; Lace protection cover made from PU; Quick lacing system for a snug and secure fit; Velcro fastener ensures maximum support when climbing and comfort when walking