Inov-8 F-Lite 240 Cross-Training Shoe 100% Synthetic Imported Synthetic sole Precision fit TPU upper 6mm heel-to-toe drop Injected EVA midsole F-LITE outsole with sticky compound Weight: 8.5 oz (240g) Whether running on rough terrain or lifting weights in the gym, the 6mm differential of this cross trainer allows for incredible grip and stability.