ABZORB midsole absorbs impact through a combination of cushioning and compression resistance. IMEVA (injection-molded EVA foam) midsole for firm yet flexible cushioning. Internal midsole shank adds midfoot structure and support. Leather upper. Polyurethane insert provides excellent cushioning for all-day comfort. Slip resistant outsole properties are tested according to ASTM F2913 to provide superior traction under various surface conditions.