Reebok - ATR Pump Thunder (Black/Black/Silver) - Men's: The ATR Pump Thunder has a mid-cut design for added stability and support. DMX Foam for cushioning. Pump auto/Off Smart Valve offers customized fit, support, and protection. Functional midfoot strap cinches foot securely in shoe. Herringbone outsole delivers traction. High abrasion rubber outsole for durability.