Copper Fit Ice provides strong compression in our most advanced and breathable circular knit sleeve. This product uses a patented technology that infuses menthol & CoQ10 into the sleeve. CoQ10 promotes energy recovery. Copper infused high performance knit. Advanced compression for maximum support. Seamless design breathable knit. Reinforced band to prevent sleeve slipping. Contour design for perfect fit. Motion activated, the more you move, the more you gain.