No breaking-in required - Myers Flip Sport Mode is ready to move right out of the box. That’s the beauty of a cushy foam footbed and under-strap padding.Upper: PU, Elastane & PolyesterLining: 50% Nylon, 50% PolyurethaneSole: RubberHeel height approx. 2 cm Available in: Black 4.49 14 RC Delivery will be direct from our supplier. They will not contact you prior to delivery. D False Footwear 5.99 5.99 Black Myers Flip Sport Mode Sandals by Hey Dude | Look Again