Fabric: fabric is engineered for cutting-edge performance and comfort, including our exclusive technology that accelerates moisture wicking for a cooler workout and helps keep the fabric fresh Soft, lightweight, breathable, moisture wicking and quick dry to keep you active all day.Cooling & UPF 50: With the newest UPF 50 protective technology, arm sleeves block out over 99% of harmful sun rays to offer your arms an all-around sun protection.High Elasticity & Breathability: The Cycling sleeves are made of breathable and elastic materials, the quick-drying fabric of the arm covers can keep your arms cool during exercise.Breathable & Comfortable To Wear The quick dry fabric technology lets your sweat band dry in minutes. It provides customers excellent wearing experience with breathable and stretchy.The moisture wicking fabric seamless bandana makes you feel cool and comfortable, and keeps you cool in the summer and warm in winter.Wide ApplicationIdeal for all sports & outdoor activities.Great skin protection when running, golfing, driving, cycling, fishing, jogging, gardening, football, basketball, tennis and so on. Also the black color great for tattoo cover-up .100% Guarantee Satisfaction We are confident in our products and please feel free to contact us if you're unhappy with your purchase. We offer 100% money back guarantee if are not happy with the item.