Search Products >  Graduated Compression Hosiery & Socks Activa® CoolMax® Athletic Support Socks, 20-30 mm Hg Series H312 (Over-the-Calf) Series H313 (Crew) Moderate graduated compression support socks improves circulation and relieves leg fatigue during your active or long day. Also helps prevent cramping of the calf muscles and ankle/foot swelling. Unique CoolMax® fiber blend wicks moisture away from the skin for cool, dry wear. Extra padding at the foot and heel provide long-lasting comfort. Non-binding top band, comfort balloon toe and reinforced heel pocket. CoolMax/Nylon/Spandex. Small size fits women too! Available in Crew length (H313) or Over-the Calf Length (H312). Color: White. HCPCS Code: L8100 Calf Crew Size Fits Mens Shoe H312 H313 Small Under 7 H312 H313 Medium 7 1/2 - 10 H312 H313 Large 10 1/2 - 12 H312 H313 X-Large over 12 1/2 Size according to US shoe size.