This comfortable, flexible gel arch wrap relieves arch and heel pain. Foot arch wrap's soft, silicone gel pad conforms to the shape of your foot, reducing arch collapse, supporting plantar fascia and relieving inflammation. Worn with or without socks, arch pain relief wrap fits either foot. Adjusts with hook-and-loop strap. Specify size: Small/Medium fits men's shoe size 4-10 1/2, women's 5-11; Large/XL fits men's shoe 10 1/2+, women's 11+. Breathable nylon; hand wash.