Dr. Comfort®-designed socks specifically for diabetics and problem feet. Padded forefoot and heel for extra comfort and durability. Smooth toe seam and moisture-wicking, providing dry, cool feet, even with all day wear. Extra Roomy crew for larger calves and feet. Colors: Black or White. 57% Acrylic, 18% bamboo charcoal rayon, 12% polyester, 11% lycra and 1% spandex. Sizes: SM (Women's 6-9, Men's 5-8), MD (Women's 9 ½-12½, Men's 8½-11½), LG (Men's 12-15)