Upper: Water friendly synthetic padded straps with a soft webbing lining for extra comfort. Sizes 3-12 include a backstrap. Footbed: Contoured EVA footbed with fun seasonal prints Outsole: Lightweight and durable high density EVA outsole Warranty: Reef wants to make sure you’re satisfied with your purchase. All Reef products are covered by a manufacturer defect policy for up to one year from the date of purchase. Reef: Since 1984, Reef has been making high quality, ultra-comfortable footwear. Making sandals and shoes that take you from the beach to the streets and everywhere in-between.