Our most advanced sleeve yet, the Copper Fit Elite Compression Sleeve features our proprietary seamless knit and provides more compression, more support, more comfort, and more flexibility. Ideal for work, sports, or wearing at home, this sleeve helps provide comfortable support for muscle stiffness, soreness, and pain. Compression may help improve circulation, reduce recovery time of muscles, and mitigate muscle fatigue by keeping muscles warm. Moisture Wicking. Copper-infused to reduce odors.