Keysocks are designed to offer style and comfort to women and girls desiring to wear flats or heels with pants. They are concealed socks that don't bunch up in shoes. The Regular and Wide Calf socks have a similar thickness to tights; the Wide Calf socks are suitable for 17-inch calves and wider. The Lite socks are similar to a dress sock. They are antimicrobial and cool feet 1 to 2 degrees in warmer weather. The sizing is one size fits most, from size 5 to size 10.5. Visit www.keysocks.com.