Copper Fit® ICE™ compression products are designed to help increase circulation, reduce swelling, and ease pain and stiffness in your muscles and joints. All products are made of high performance fabrics that provide 4-way stretch for maximum flexibility and all day comfort. All garments include a patented technology that micro-encapsulates the cooling sensation of menthol and the energy properties of CoQ10. These ingredients are motion-activated so the more you move, the more gets released. Gloves are a Nylon/Spandex blend with silicone bands. Copper Infused. Hand wash, air dry. Choose: S/M(2 3/4"-3 1/2"), or L/XL(3 3/4"-4 1/2"). Measure across palm.