Tasman gtx in suede, ugg suede slides, this model contains organic and recycled fibers, uggplush, the interior of the shoe is insulated with a combination of high-quality wool and fine lyocell fiber, gore-tex, wind-resistant and breathable, waterproof, soft rounded toe, reinforced heel counter, foam sole provides a softer feel and extra cushioning, vibram sole, offers comfort down to -20c, color: chestnut