adidas Supernova Glide 8 running shoes keep every step charged with energy to help fuel your run and take it to the next level. The overall comfort wraps your feet in light breathability, support and cushion. Thanks to the innovative S-curve Achilles fit system you'll experience a better fit that eliminates heel slip issues. Ideal for neutral runners and slight supination. Upper: Engineered mesh upper adapts to all foot types while eliminating irritation. Padded tongue and heel collar enhance comfort. Flat laces reduce irritation. Synthetic overlays provide lightweight support and structure.Midsole: boost™ energy-returning properties keep every step charged with an endless supply of light, fast energy. Midfoot sock-like fit wraps around the foot for dynamic arch support and superior fit. TORSION® SYSTEM provides midfoot integrity. EVA cradle sits against the foot to give a familiar supernova™ feel. Removable insole.Outsole: Longitudinal decoupling in the forefoot allows natural foot movement. Continental™ Rubber outsole provides optimal grip in wet conditions. adiWEAR™ heel outsole provides superior grip and durability while maintaining light weight.