New. Open box. By Tidewe. Color is black. Fits men size 10 and women size 11. Made of 100% waterproof CR flex-foam. Absorbs impacts, retains heat, and flexes with your feet as you walk. It has heat resistant insulation that prevents radiated body heat from escaping. It is lightweight. It has 15 way stretch nylon to make your feet stay as comfortable as possible.