The Peru Sandal features a hook and loop Ankle Strap and Toggle Fastening for extra fit adjustment. Its Hardwearing Rubber Sole Unit with Toe Bumper for extra protection allow you to feel secure all day- Breathable Active Sandal- Hardwearing Rubber Sole Unit with Toe Bumper for Extra Protection- Touch Fastening Ankle Strap and Toggle Fastening for Extra Fit Adjustment