ONE SIZE FITS MOST: This universal, high top sock fits women's and mens left or right feet. Compatible with short or tall walking boots.UNIVERSAL FOR ALL WALKER BOOTS & BRACES: Designed for use with all orthopedic walking boots, including post op surgical shoes, foot cast boots, closed toe medical walking shoes, air cam walkers, and air cast walker boots.MATERIAL STAYS DRY TO ELIMINATE ODOR: This closed-toe, stretch tube sock is made with a cotton, polyester, lycra, and spandex blend. The latex-free, 100% synthetic fibers allow for superior moisture absorption to keep your foot and leg dry, while the thick cushioned-knit provides optimal warmth and comfort.