Low-to-the-ground design and high-performance technology help you get your best workout.DuraCage protective upper with breathable open weave mesh. RopePro protection wrap. Midsole with ETC Linings helps reduce heat build up for comfortable performance. Forefoot and heel pods provide cushioning and shock absorption. Multi-surface rubber outsole for sure-footed traction. 4mm heel-to-toe drop for stability.