Vibram Wolftrax clipless sole designed to empower traction and braking witn an unparalleled grip on wet and dry surfaces. Optimized shape to easy clip in/out and sharp lugs to empower traction and braking. EVA midsole to reduce weight and improve shock absorbing. The upper combines PU and Ripstop with TPU anti-abrasion inserts placed on the forefoot. An easy and even closure system is guaranteed by the SLW3 dial, the only one with a step-by-step release, which allows a millimetric adjustment of the shoe in a quick and intuitive way.