Copper Joe Ultimate Compression Recovery Full Arm Sleeve ULTIMATE COPPER INFUSED - Get the Support you Need to Succeed! Rather than spraying fabrics with copper, we INFUSE it directly into the nylon fibers. Our products are constructed with up to 88% copper-infused nylon with the high quality genuine copper ions. Copper Joe products will help give you the support you need whether recovering after or during any activity and are also designed to support athletes, weekend warriors or anyone with an active lifestyle seeking relief. Copper Joe products are designed to provide enhanced protection and give you a superior experience while helping to reduce muscle soreness and pain Why Choose Copper Joe Arm Compression Sleeve? Maintains Joint StabilityCompression Material helps Relieve Age Related Pain, Inflamed Joints, Golf & Tennis Elbow, Bursitis, Joint Pains, Strains and other Elbow and forearm AchesBreathable Compression Soft FabricStays in Place on Your Arm with Anti Slip GuardHelps reduce the recovery time of muscles and supports improved circulation and oxygenation of working musclesCan Be Worn All Day + All NightSupports Sore & Stiff Muscles and JointsEasy, Pull-On DesignMachine Washable Alleviate Pain and Get Back in the Game! Copper Joe high performance arm sleeve gives you the support you need, while still allowing your muscles to move, work, and strengthen. Copper Joe compression arm sleeves are commonly used for Tennis Elbow, Basketball, Baseball, Volleyball, Bowling, Weightlifting, Crossfit, Golfers Elbow, Arthritis, Tendonitis, Bursitis, Osteoporosis, Football, Landscaping and all other athletic sports. Get the Compression Fit you Deserve! Breathable Sleeves Copper-Infused fiber technology.Unisex design for Men and WomenNon-irritating material smooth on the skinStretchy materialCan be worn on either the left or right arm.Machine washable while copper never comes off in the wash. Versatile Use for Any Activity Copper Joe Sleeve are extremely versatile, offering excellent performance for any activity whether its getting back on the field or tackling a long day at your desk, Copper Joe has your covered! Choose the Right Fit Straighten your armMeasure the circumference of your arm 5'' above the center of the elbow and refer to the values below. Small: 8.5'' - 10.5"Medium: 10.5'' - 12''Large: 12'' - 13.5''X-Large: 13.5'' - 15''