Soft Touch Microfiber, a super supple microfiber and soft touch upper provides instant comfort and increases sensitivity; Scarpa's stickiest rubber covers large portion of the toe box to high friction and extra comfort; Vibram XS Grip2 outsole provides great combination of support and friction; Dual opposing Velcro straps (wider strap on top) provide a large secure closure while a stretchy, breathable tongue increases comfort and fit; TA-Tension provides the benefits of a dynamic tension system without adding an extra layer under the key toe tip positions