Features & Benefits Targeted Compression Technology creates increased blood flow to feet and calves. Increases blood flow post-exertion for a faster and more complete recovery. Unique, specialty yarns featuring seaweed and zinc add recovery, energy, comfort, sweat absorption and antimicrobial properties. Anatomical 3D knitting design at toe and heel provides enhanced comfort/protection. hDc Moisture Management Technology wicks the sweat and brings the cool. Milimeters of Mercury at ankle (18-21mmHg) and top of sock (12.6-14.7mmHg) to enhance blood flow. Can be worn for extended periods of time. Made in Switzerland. Includes one pair, left and right specific.