Upper: The sandal is made from flexible water friendly material that is inspired from authentic webbing and has an adjustable strap closure 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 compression molded EVA platform outsole with added lug design for extra durability and traction 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