eS - Radle (White/Dark Grey) - Men's: Leather upper with perforations. TPR ollie protection inset on the upper. Triple-stitched toe cap. Reflective accent details on the upper. System Flo2(tm) high air flow breathable tongue. Hidden lace loops for protection. Double-padded tongue and collar. STI Foam(tm) Level 2 footbed cushioning system with integrated heel counter for stability. Full-length internal molded EVA midsole. System G202(tm) dual stage System G2(tm) integrated with an air bag. Circular nub tread pattern for increased grip. 400 NBS stitched gum rubber outsole.