Features & Benefits Calves and feet benefit from increased blood circulation due to Targeted Compression Technology. Specialty yarns are quick-drying and antimicrobial for additional comfort. Traction design at footbed for better floor grip. Achilles support via unique knitting pattern. Ventilated toe stitching provides maximum breathability. hDc™ Moisture Management Technology is all about cool and dry. Millimeters of Mercury* (units of measurement/no actual mercury) at ankle (18-21mmHg) and top of sock (12.6-14.7mmHg) to enhance blood flow. Made in Switzerland. Includes one pair, left and right specific. Content: 46% Tactel® / 26% Polyamid / 19% Timbrelle® Care /9% Lycra® (elastane)