Sticky Leatt lab compound sole for ultimate bike control maximum tear, puncture and abrasion resistance the shoes upper makes them very durable all weather shoes synthetic leather with synthetic suede toe box ventilation with waterproof or breathable membrane on the inside unique to leatt compression laces for a tight riding fit that do not come loose when riding control flex shank medium-hard flex control for great bike feel midsole anti-compression midsole for comfort, active carbon moisture wicking, quick dry, anti-bacteria, anti-odor material for comfort and hygiene protection inner ankle mid height protection, molded stabilizing heel and rigid reinforced toe area lining: active carbon moisture wic tabletd.