With a direct-attached polyurethane midsole and full rubber outsole, the Reebok Trainex is a workhorse safety athletic boot with plenty of comfort. The Aircom™ Air Comfort Technology provides cushioning with every step. Safety features include a composite toe cap that meets or exceeds ASTM F2413 safety standards, a 90 degree heel, and reflective webbing on the tongue. This design prevents static electricity build-up, protecting you from annoying shocks.