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.