adidas Performance Men's Ultra Boost Street Running Shoe

adidas Performance Men's Ultra Boost Street Running Shoe

• Weight: 12.2 ounces (size 9); Runner type: stable; Stack height: 32 mm / 24 mm (8 mm differential)
• adidas Primeknit is carefully engineered to naturally expand with your foot while you run to give you a more comfortable fit and help reduce irritation
• 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
• TORSION SYSTEM for midfoot integrity; Ergonomic heel structure for added support; Continental Rubber outsole for extraordinary grip in wet and dry conditions;