Just Get Dressed: Nufabrx technology provides targeted compression support and an optimal dose of Capsaicin medicine to alleviate muscle fatigue, diminish chronic pain, and enhance performance. Our sleeves are great to wear at home, on the go, or during exercise. Our Calf Sleeve is designed to relieve pain and prevent injury in the shin or calf. The powerful combination of compression and pain relief medicine is great for treating shin splints, calf cramps, or any general calf pain. One size fits most.