Sanuk Women's Toasty Tails Boot 100% Leather Imported Rubber sole Shaft measures approximately 12" from arch Boot opening measures approximately 16" around Suede boot featuring a water resistant treatment on the upper material designed to repel water Soft wool blend faux shearling lining and deco stitch detail Soft wool blend faux shearling lined yoga mat footbed Ultra flexible sanuk cupsole with leather inlay