Upper: Lightweight, breathable stretch knit upper with a rich suede fold down heel. Footbed: Ridiculously comfortable memory foam sock liner heel. Outsole: Ultra lightweight and flexible 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.