adidas Performance Men's Supernova Sequence 9 m Running Shoe 100% Synthetic Imported Leather and Rubber sole Weight: 11.5 ounces (size 9); Runner type: stable; Midsole drop: 10 mm (heel: 32 mm / forefoot: 22 mm) boost's energy-returning properties keep every step charged with an endless supply of light, fast energy STRETCHWEB rubber outsole is lightweight and elastic, adapting to the ground for stability and working strategically to optimize the unique properties of boost from touchdown to push-off Synthetic overlays provide strategic support Continental Rubber outsole for extraordinary grip in wet and dry conditions