adidas Supernova Sequence 7 Men's Running Shoes synthetic-and-mesh Rubber sole Boost's energy-returning properties keep every step charged with an endless supply of light, fast energy TORSION SYSTEM designed to guide the foot's rotation around the midfoot for optimum transition from midfoot stance to forefoot push-off Full-length EVA Stable Frame designed to guide and support the foot from heel to toe; Reflective heel and forefoot welds for 360-degree reflectivity