New Balance - M604 (Grey/Red) - Men's: An excellent combination of fit, cushion and support for on and off road running. Designed for under-pronators to neutral runners. ABZORB heel for exceptional shock absorbtion. N-DURANCE rubber outsole for maximum durability in high wear areas. Injection molded EVA midsole that's lightweight and and cushioning. Lightweight and supportive synthetic/mesh upper. AT TREAD outsole combines running and trail lug configuration for both on and off road. Reflective detail for safety. Strobel Lasted SL-1. Shoe weighs 13.6 oz.