1Soft and Cool: This arm sleeve is made of ice silk, which is cool nd breathable to the touch, highly absorbent, super light, and comfortable. Wear cool and not hot, skin friendly fabric, easy to dry, high elasticity, no pilling, giving you a well experience. 2UPF 50 Protection: With cooling and drying technology and UPF 50 protection, it can block more than 98% of harmful UVA and UVB rays, the outdoor cooling sun arm cover will provide a cool and icy feeling. 3Neutral Stretch: The highly elastic cooling arm sleeve can be compressed or stretched within its range. It s long enough to cover your arm nicely, fits the vast majority of people, doesn t slip easily, and doesn t feel any pressure or discomfort. 4Seamless Weave Technology: With the seamless weave technology, the elastic sleeves are sure to stay on your biceps without itching or leaving marks on your arms. Promotes faster muscle recovery and blood circulation. They dry quickly and absorb sweat, protecting your arms from feeling freshness and cool in the summer. 5Perfect Fit: Designed for prolonged high temperature use in the sun, whether you are golfing, fishing, basketball, biking, hiking, driving, or gardening, our lightweight arm sleeves will make you feel comfortable. Item Type: CoolingArmSleeve Material: Ice Silk 1 Pair of Sun Protection Sleeves