Crucial Compression Foot & Ankle Compression Sleeves. Size Small. (Men- < 7 Women 5-8) Never used, in original packaging. Features & details Instant Support and Relief – You will feel the difference immediately with the Crucial Compression Ankle Brace. Get fast pain relief with less swelling, soreness, and discomfort. Power Support ankle stabilizer and protector compression technology improves circulation and provides secure support in all the right places. Lightweight and Breathable – Premium ComfortFlex design provides a comfortable, snug, ergonomic fit without cutting off circulation. Thin enough to wear under shoes and socks with moisture wicking fabric to keep your feet dry.