Simple, slim, and fun - the OluKai Hoopio sandal will be your summer staple! Water-resistant, man-made material designed to look or function like leather. Slip-on construction. Toddler sizes 9 and 10, and Little Kid sizes 11 and 12 include an elasticized backstrap. Anatomically molded micro-textured PU midsole in a water-ready build. Non-marking rubber outsole with textured pods for enhanced traction and durability. Thermoset rubber is a compound of natural and synthetic rubber that will not leave marks or scuffs on surfaces of any type. Imported. Measurements: Weight: 4 oz Product measurements were taken using size 2 Little Kid, width M. Please note that measurements may vary by size. Weight of footwear is based on a single item, not a pair.