This lightweight, waterproof mid with breathable ventilation and an integrated footbed keeps you comfortable as you cruise through climbs. Waterproof leather and mesh upper Molded TPU external heel counter for added stability Bellows tongue keeps out debris Breathable mesh lining Soft E-Foam Midsole, I-Tech harder top sheet 6mm drop/15mm heel cushion/9mm forefoot cushion Vibram TC5 outsole Hollowed lugs for lightness 5mm lug depth Weight: 1lb 14oz