Upper: A mix of premium strap materials with a soft padded jersey lining Footbed: Compression molded high rebound EVA with a built-in airbag under foot for added comfort Outsole: Non-Marking Rubber Outsole with Bottle opener so that no party may go unquenched 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.