McDavid HEX High Impact Arm Sleeve Own the diamond with advanced impact protection for your arm and elbow. The McDavid HEX® High Impact Arm Sleeve features 9mm impact-absorbing HEX® pads that protect against hard objects in a sleeve that contours to your arm for ultimate confidence in motion. hDc® Moisture management treatment wicks away sweat and moisture for enhanced breathability. Ideal for Baseball and Softball Athletes. Details ULTIMATE CONFIDENCE IN MOTION Anatomically graduated 9mm impact-absorbing HEX® Technology contours around elbow for ultimate comfort and protection against hard objects, like a baseball. MOISTURE WICKING hDc® Moisture Management Technology with perforated mesh panel keeps you cool and dry. PROTECTION WHERE IT COUNTS Arm compression maintains muscle warmth and prevents abrasions and scratches. INCLUDES ONE SLEEVE HSA/FSA ELIGIBLE MACHINE WASHABLE/DRYABLE CONTENT: Fabric: 80% PU, 16% nylon, 4% spandex; Pad: Polyethylene foam Bend your elbow to approximately 45 degrees and measure directly over the joint. When ordering a pair, take measurements of both elbows and use the average of the results.