Upper: Full grain leather upper and a stitch free liner for no break in period Footbed: Full grain leather footbed sourced from Silver or Gold rated tanneries with a high arch and heel cupping Outsole: Non-Marking rubber outsole made from 25% recycled 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