• COOLING UPF 50 PROTECTION innovative cooling technology UPF 50 protection to block out over 98% of harmful UVA UVB rays, the MIZUNA Outdoors' Cooling Sun Sleeves are more than your average sun sleeves.• FOR ALL SPORTS OUTDOOR ACTIVITIES: Designed for long, hot hours under the sun, our lightweight arm sleeves will keep you comfortable whether you're golfing, fishing, playing basketball, cycling, hiking, driving or even gardening• SEAMLESS COMFORT: Unlike other sun sleeves that make you itchy and leave imprints all over your arms, these sun sleeves are seamless. We make sure you'll be comfortable and happy• STRETCH FIT AND WASHABLE : Our sleeves are incredibly durable and stretchy. Easy to machine wash and hang dry. Our stretchy 92% nylon 8% spandex blend make them perfect for both men and women.Find MIZUNA thumb arm sleeve on AmazonPerfect for Sports OutdoorsDesigned for long, hot hours under the sun, our lightweight arm sleeves will keep you comfortable whether you're golfing, fishing, playing basketball, cycling, hiking, driving, or even gardening.? UV Protection with Cooling EffectWith innovative cooling technology and UPF 50 protection to block out over 98% of harmful UVA and UVB rays, the MIZUNA?Outdoors' Cooling Sun Sleeves are more than your average sun sleeves.? Protective Tattoo CoverCleverly cover your tattoos and reduce their visibility temporarily for professional reasons or to avoid sun damage. Use black sleeves for full coverage.? SeamlessUnlike other sun sleeves that make you itchy and leave imprints all over your arms, these sun sleeves are seamless.? Stretch Fit WashableOur cooling sleeves are incredibly durable and stretchy. Easy to hand wash and hang dry.? Ribbed DetailingWith a fine texture and soft hand feel, our arm sleeve is ergonomically designed with ribbed wrist details.? Discreet LabelsOur stretchy sun sleeves come with no visible printed logos on the exterior so you can get full benefit from the deep solid colors.