Styled for runners and outdoor enthusiasts, these UV Arm Sleeves have reflective elements strategically placed for better visibility in low-light conditions. Put them on in the morning to fight the chill, and comfortably leave them on all day for UPF 40+ sun protection. The highly breathable polyester material wicks moisture, is comfortable next to the skin, and blocks harmful rays. Four-way stretch provides light compression and maintains form and shape when wet. The elastic upper with engineered silicone grip holds the sleeve comfortably in place for a clean, streamlined fit. Easy to pull on and off as needed, this light, packable protection carries easily in a pack or pocket. Provides UPF 40+ protection. Moisture wicking fabric is breathable and comfortable. Durable, comfortable four-way stretch for light compression. Stretch flatlock seam eliminates chafing. Antimicrobial fabric treatment helps control odors. Lightweight, compressible and packable. Slightly smaller elastic upper (compared to angling version) holds sleeve comfortably in place. Reflective elements for added low-light visibility. Set of 2 arm sleeves.