Upper: Super soft synthetic upper with plush microfiber lining Footbed: Compression molded EVA footbed with added insole comfort Outsole: Rubber 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