Upper: PVC free synthetic padded straps with a water friendly TPR logo and 100% recycled PET webbing lining and toe post. Sizing up is recommended. Footbed: The softest cushion EVA used for extra comfort underfoot with anatomical arch support. Outsole: Lightweight and durable rubber sponge 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.