- Jacquard and TPU upper Traditional lace closure. Internal bootie for a secure fit. External back strap locks into heel. Breathable mesh lining. EVA foam footbed with 100% recycled topsheet Removable EVA FLEXconnect footbed Dual-way flex grooves in the midsole for improved ground connection. FloatPro Foam midsole for a lightweight ride that lasts Vibram MegaGrip for the ultimate combination of traction and durability on wet or dry surfaces