Anti-microbial, contoured, open-cell polyurethane footbed provides durable, resilient cushioning while a molded heel cup cradles the heel * Outlast Adaptive Comfort footbed cover regulates temperature * Polyurethane midsole with high-rebound EVA heel insert provides durable cushioning and energy return * Nylon diffusion shank for torsional rigidity * Timberland PRO series outsole is slip-, oil- and abrasion-resistant