The brand lists runs small, size up full size if using extra thick winter socks. ****Seller we own a pair, we are a 13 they ran 1/2 size small for us with toes, and heel touching both surfaces Men's Color Quarry Full grain Leather upper - Microfleece lining. Seam-sealed waterproof construction. FOOTBED: Removable die cut EVA footbed, microfleece top cover.: 200g insulation. OUTSOLE: Vulcanized rubber shell. HEEL: 1 in. SHAFT HEIGHT: 7 2/7 in.