15.5 inch - 16.5 inch. As seen on TV. New. For men & women. Copper infused. I perform best with Copper Fit - Brett Favre, Quarterback legend. Compression. Flexibility. Anti-odor. 86% copper infused polyester knee sleeve. Copper Fit is perfect for people of all ages. Whether you are a performance athlete, physical worker or just looking for easier movement and pain relief; the benefits of Copper Fit sleeves improve your daily lifestyle. Drying. Warming. Inches Around Thigh: Medium: 15.5 inch - 16.5 inch. Measure the circumference of your thigh, approximately 5 inches above the center of your knee. You may need to adjust the sleeve a few inches up or down to get the desired compression and comfort. www.GetCopperFit.com. Uni-sex compression garments. Made in China.