Rubber sole Flex grooves in the outsole let you move naturally from heel to toe. Less foam in the outsole allows for better flexibility and a lightweight feel. The knit upper uses mesh for a clean look that's suitable on runs and for casual wear. It has a soft and cool feel for a comfortable, inviting fit. Lightweight cushioning at the heel provides a soft feel. Outsole has a zen-like look, matching your calm state of mind. #17,973 in Clothing, Shoes & Jewelry ( ) #76 in