I am selling a new, unused item that I purchased here, but it was a little too big for me. I tried them on and walked on concrete for a few minutes, but I haven't worn them outside. Black lace-up boots made with heat-generating material, with a zipper for easy on and off. - Color: Black - Design: Zippered, lace-up - Lining material: Heat-generating material The size is listed as 24.0, but it's a size L, which is 24.0-24.5. The lining uses heat-generating material, made of heat-retaining material that provides comfortable warmth that lasts. Please refrain from purchasing if you are sensitive to items stored at home. There is no original box, so I plan to use a recycled cardboard box or bag.