The Obern™ gives you the freedom of a sandal but the functionality of a shoe. Full grain leather upper is waterproof for durability. 3-points of hook-and-loop adjustment at the heel, instep, and forefoot. Drop in EVA topsole with foam provides cushioning. Shoc Pad™ footbed absorbs shock and provides cushioned comfort. A blended polyurethane/EVA unit in the heel cup that evenly transfers the energy of impact throughout the footbed and away from the heel. This energy return actually provides greater spring with each forefoot push-off. Molded TPU shank for stability. Spider XC™ Rubber outsole : ; A patented process produces Teva's most versatile rubber compound that successfully blends high friction and good durability. Measurements: ; Weight: 13 oz ; Product measurements were taken using size 9, width D - Medium. Please note that measurements may vary by size.