Upper: The sandal is made from flexible water friendly material that is inspired from elements from the beach and has an adjustable strap Footbed: Dual density lightweight compression molded EVA footbed. The footbed is super soft and bouncy with great rebound for all day comfort Outsole: Dual density lightweight EVA compression molded outsole. The swell inspired outsole is more durable to withstand unexpected elements 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.