New Balance - RS 500 (Red/White) - Men's: A versatile spike suitable for distances up to 10,000 meters featuring a C-CAP midsole and 7 spike forefoot plate. Lightweight compression molded C-CAP EVA midsole provides cushioning and stability. 7 spike nylon plate aligns the foot for exceptional traction and toe-off power. Synthetic/Mesh upper provides lightweight comfort and support. Slip Lasted RL-1. Shoe weighs 7.1 oz.