New McDavid Calf Sleeves, Black, 2 (Pair) Antimicrobial technology Small Black GRay This pair of Under Armour's Recommended for Contact and This pair of Under Armour's baseball cleat for men is built to let you shine in every game Paint splattered design or for duration or game run Calves benefit from increased blood circulation due to Targeted Compression Technology HDc Moisture Management Technology is all about cool and dry Suggested wear time: maximum of 4 hours or length of game run Designed to stabilize and reduce fatigue to lower leg muscles hDc Moisture Management Technology keeps calves and feet cool and dry Specialty yarn makes the sleeves dry quick Antimicrobial technology Suggested wear time: 4 hours max