Features include: SUPER SUEDE upper for extra durability while retaining softness and comfort, Super Stitch thread on upper, High abrasion hot melt underlays, High abrasion mesh, Perforated tongue mesh for breathability, EVA Strobel board for added Comfort, Impact-ALG technology features a polyurethane airbag to provide superior cushioning and impact protection, Lightweight high rebound foam midsole for comfort and support, Lightweight absorption abrasion-resistant sticky rubber outsole, Parametric outsole pattern for tread.