adidas Performance Adizero Accelerator Track Shoe 100% Textile Imported Rubber sole Weight: 5.6 ounces (size 9); recommended events: 60 m, 100 m, 200 m, 4 x 100 m, 110 high hurdles Synthetic leather upper for lightweight support Micro fit locks your foot down for a direct fit and high-speed run; hook-and-loop strap over forefoot for secure lockdown Torsion system for midfoot integrity; lightweight tpu plate Engineered mesh heel for seamless fit and breathable comfort