cotton PREMUIM QUALITY: Debra Weitzner diabetic socks for men and women offer a combination of quality, comfort, and style. Our socks are breathable, soft, and well-fitting, making it the perfect choice for you. REINFORCED HEEL AND TOE FOR OPTIMAL PERFORMANCE: We design our socks to bring optimal performance for you. With our heavy duty reinforced heel and toe on the socks you can rest assured that your socks are cushioned and plush, as well as thick enough to protect you. LOOSE FIT AND NON-BINDING: These excellent diabetic crew and ankle socks are physician approved and highly recommended for people with diabetes, edema, and nephropathy caused by circulatory problems. Its extra-wide and non-binding top will allow your blood to flow unimpeded, boosting blood circulation. MATERIAL SIZE AND CARE: 90% cotton, 7% Elastane, 3% Polyester. Our loose fit non-slip diabetic socks are available in 3 sizes: 9-11 (standard women’s); 10-13 (standard men’s); 13-15 (larger than standard men’s). Size numbers indicate the number of inches the foot measures from heel to toe. Machine wash cold and tumble dry low for best results. SATISFACTION GUARANTEE: If our socks do not meet your expectations contact us directly and we will make sure to accommodate you accordingly. Your satisfaction is our utmost importance!