New McDavid HEX Chest Protector, Heart Guard Sternum Padded Shirt Adult Medium Medium:White Gray Water Resistant PU Coated Bottom stay comfortable Water Resistant PU Coated Bottom Panel Calves and feet benefit from increased blood circulation due to Targeted Compression® Technology Increases blood flow post exertion for a faster and more complete recovery Specialty yarns featuring seaweed and zinc help aid in recovery and provide extended comfort Anatomical 3D knitting design at toe and heel provides enhanced comfort protection Traction design at footbed for better floor grip hDc® Moisture Management Technology is cool and dry Millimeters of Mercury* (units of measurement no actual mercury) at ankle (18 21mmHg) and top of sock (12 Keep children and players safe while they compete BREATHABLE AND COMFORTABLE: Mesh fabric for full on ventilation MOISTURE WICKING: hDc Moisture Management Technology is all about cool and dry PROTECTION WHERE IT COUNTS: 9mm HEX Technology is perfectly positioned to help protect against sudden impact and minor injuries to the sternum and chest area SAFETY IS KEY: Helps keep any athlete safe during play