The Copper88 Calf Sleeve provides targeted compression to support calf muscles and joints, promoting enhanced blood circulation and accelerating recovery time. Engineered with 88% embedded copper nylon and 12% spandex, this lightweight, form-fitting sleeve offers UPF 50+ protection and superior moisture-wicking to keep you dry. Its inherent antibacterial and anti-odor properties ensure freshness during any activity, from high-impact sports to daily wear and rest. The durable copper fibers are a permanent part of the garment, guaranteeing lasting performance through countless washes.