Black recovery sandals made with XTRAFOAM material. - Brand: THE NORTH FACE - Color: Black - Material: XTRAFOAM - Style: Thong sandals The thong part is made of rubber, so your big toe joint won't hurt even if you wear them for a long time. The high-rebound material makes them very easy to walk in and reduces fatigue! No wear on the soles. There are no problems with use. Thank you for viewing.