Super-stretchy upper forms to your foot for incredible comfort and a great fit. Stretch-knit top collar enhances comfort and allows for easy on/off. EVA footbed adds extra cushioning and is treated to control odor. Constructed with minimal stitching to reduce irritation. High-elasticity EVA segmented midsole/outsole adds energy to every step. Lightweight, flexible midsole/outsole allows your foot to roll naturally through your strides. Rubber pods on the outsole extend durability.