Size: S (13-14.25) Product Information: Knee Power Sleeve gives your knee optimal support and a glove-like fit This knee sleeve is designed to balance and stabilize leg muscles, allowing the knee to extend comfortably. The power band wraps around the patella, thigh and calf muscles, providing superior support and helping improve range of motion and flexibility. Soft spandex stretches to fit like a glove and is breathable, making this sleeve a great choice to wear while walking or running. Caution: Not recommended for those with diabetes. Do not wear over open wounds. Do not wear if using warming or heat-generating ointments. If a rash or irritation develops, discontinue use and consult a physician.