Sock-Like Fit Breathable knit upper stretches and wraps to your foot for a sock-like fit with natural flex. Easy Transitioning Outsole lug pattern helps you move on different surfaces. Durable Cushioning Midsole with lightweight phylon for soft, dense cushioning. Heel-To-Toe Drop 10MM Upper Material KNIT Midsole Material PHYLON (EVA) Outsole Material RUBBER