SOFT & COOLING ICE SILK ARM SLEEVES---These unisex arm sun protection sleeves are made of ice silk, which is cool and breathable to touch and very absorbent, ultra-light and comfortable, completely safe to the skin. It is wearing cool but not hot, skin-friendly fabric, easy to dry, high elasticity, no ball, giving you a good experience. UPF 50 PROTECTION---With innovative cooling and drying technology and UPF 50 protection to block out over 98% of harmful UVA and UVB rays, the outdoors' cooling sun arm sleeves will give cooling and icy feel to save you from the sticky and annoying heat during long hours under the sun. UNISEX & STRETCH---The cooling arm sleeves with high elasticity can be compressed or stretched within its scope. It's long enough to cover your arm well, fit the vast majority of people, not easy to slip off, and without any pressure or any discomfort. CARE ABOUT WEAR EXPERIENCE & PROTECTION---With unique seamless weaving technique, our stretch fit sleeves surely can be stayed on your bicep and do not make you itchy or leave imprints over your arms. Promotes faster muscle recovery and blood circulation. They are quick dry and absorb sweat, protecting your arms from feeling fresh and cool in the summer. 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. Expect ultimate comfort and protection wherever adventure takes you.