Very light men's Loap WOTEN sandals have an open heel and toe. The upper is made of artificial leather and the lining is made of a pleasant tricot. The insole and sole are made of ultralight and soft phylon material, which absorbs shocks very well. These summer and leisure summer sandals have velcro straps that are made of durable polyurethane and strengthen the foot in three places - two straps are on the front and one on the heel.Ideal for the summer months. Leisure use. Low weight. Open heel and toe. 3 Velcro straps.