Guaranteed for Father's Day Running Shoes Color/pattern: black & energy Design details: 3d stretch techloom upper features an intricate grid pattern designed to move with your feet neoprene tongue with integrated collar offer exceptional fit and all-day comfort in a sleek, low cut silhouette. midsole/outsole compound developed for direct ground contact, enabling the use of less rubber on the outsole, significantly reducing the weight of the shoes. propeliuma is designed to maximize energy generation and provide superior comfort that will maintain midsole structural integrity longer than conventional eva. inspired by the shape of a feather, the outsole incorporates natural motion flex grooves that react to every movement. 100% vegan, made using no animal products. the 8mm drop from the heel to the forefoot places your foot in a natural position for efficient running. 69.5% Polyester, 31.5% Thermofuse - Outsole 70% Eva, 30% Rb Imported