[Yoga Mat Sole] Ultra cushion sole with heel support for ultimate comfort and help plantar fasciitis pain [Adjustable Strap] Velcro adjustable straps allow custom fit [Water-Ready] Waterproof, antiskid foot bed, non-slip outsole, quick-dry, suitable for shower, beach, pool, kayaking & water activities [Easy Care] Machine washable in cold water. Air dry. [Flat Sole, Lightweight, BPA Free] Simplus line features lightweight flexible sole and ultra-cushioning yoga mat mid-sole with firm heel support. Slip resistance. All day comfort wet or dry. Shoe width is medium to wide.