Upper: Super soft PVC free molded TPU Strap with our “no rub” texture and patented toe post washer that prevents the strap from breaking Footbed: This signature cushion rubber footbed is perfect for your water friendly adventures Outsole: High grip cushion rubber 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.