UPF 50+nHighly breathable ZnO SUNTECT cotton/viscose from bamboo/spandex blend; Super soft against the skin, lightweight, cool and comfortablenSnug fitting, yet moves with ease; Open cuffs; Sold as a pairnMachine wash cold, tumble dry; ImportednCoolibar ULTIMATE COVERAGE Collection is a series of UPF 50+ styles designed to coordinate for complete outfits to cover up to 90% of exposed skin and block 98% of UVA/UVB radiation. Complete outfitting with the Coolibar ULTIMATE COVERAGE Collection offers extended skin coverage for arms, chest, legs, ankles, hands, face, neck, head and ears. No one piece of clothing can prevent sun damage, but by combining pieces from the ULTIMATE COVERAGE Collection, you can cover up to 90% of exposed skin.nSimply slip on our Women's Sun Sleeves with any short-sleeve shirt for UPF 50+ arm coverage. Made of our supremely soft and slightly stretchy ZnO SUNTECT® fabric to fit snugly yet flex with ease.