ALPINESTARS TECH 1-KX SHOES - GREEN/BLACK/WHITE - SIZE 2.5 Advanced hybrid construction consisting synthetic Leather and mesh affords ultra_light weight, excellent breathability and superior feel. Mesh panels placed in the tongue, heel and side of the shoe offer excellent breathability. Ultra_thin Formula 1 specification sole uses Alpinestars exclusive rubber compound for pedal sensitivity and grip, in both wet and dry conditions. Combination lace and Velcro strap closure for a precise and secure fit. MotoGP-derived speed lacing system incorporates reinforcement which contains DuPont KEVLAR fiber for durability and a quick, precise secure closure.