Featuring Lock Harness System technology, the Solution shoes provide powerful hooking options from heel to toe which help you stay in control. A Patented P3 construction system leaves the arched shape of the climbing shoe unaltered, without compromising original performance and push-power, even after years of hard use, meaning these premium shoes will outlast cheaper alternatives and provide comfortable, flexible performance climb after climb. Upper: Combination of suede leather and microfibre, tubular construction.Lining: Toe Pacific, tongue LycraMidsole: Hytrel anatomical support in the metatarsal area of the foot combined with P3 systemSole: 3,5 mm Vibram XS Grip2P3 (Permanent Power Platform)Fast lacing systemLock Harness System for maximum gripFast and precise lacing systemMaximum performance for heel and toe hooksMolded 3-D heel cup in ultra grip rubber for secure heel hookingWeight: 510g (per pair)