Trail runners, hikers, water sports participants, and outdoor enthusiasts can all use help to safeguard their skin. Let that help come from BUFF Original UV+ Arm Sleeves Large - R-Wira Multi. These BUFF® arm sleeves have a UPF 50+ rating. Made from polyester and stretch elastane, these colorful sleeves go on easy and remain securely in place with help from elastic uppers with a silicone grip. Fast-drying, they also help arms stay cool by managing moisture.