About Over-the-Calf Unisex Diabetic Socks: Designed to stay over your calf throughout the day for maximum comfort. The Shape-to-fit Over-the-Calf Sock is designed specifically for diabetes but provides all-day comfort for anyone. The seamless, moisture-wicking over-the-calf sock helps to prevent skin irritation, aches and pains all day long. Built to last up to four times longer than ordinary socks, the Nano natural charcoal fibers help control odor and keep feet dry. And because they're non-binding, they don't inhibit your circulation. Recommended for the following conditions : Diabetes Edema Neuropathy Circulation issues Sensitive feet Athlete's Foot Dr. Comfort Technology : Our Dr. Comfort sock are designed with Nano natural Charcoal Fibers because of the endless amount of health benefits. It makes our diabetic socks more breathable and heat regulating than cotton, hemp, wool or synthetic fabrics. Sock Styles : With thoughtful construction, our diabetic socks are designed to promote circulation in the foot, stay up and offer comfort, ventilation and light arch support. Available in a variety of styles to meet the needs of your lifestyle demands. Ankle Length: Ankle height that prevents skin irritation and offers plenty breathability and cushioning wear for casual, daily wear Crew Length: Mid-calf height that prevents bunching No-Show: Low-cut style, can be worn with boat or loafer-like shoes Extra Roomy: Accommodates extra large calves and feet Transmet: For amputations Merry Jane: Higher-cut style, over the calf to promote better circulation Over-the-Calf: Higher-cut style, over the calf to promote better circulation.