Assos Summer Arm Uv Protector P1Cover Up. Stay Cool. Hours in the saddle under a summer sun add up fast, whether you're on tarmac, gravel, or trail. The Summer Arm UV Protector P1 is for riders who want serious UV coverage without layering on heat. The actively cooling, ultrabreathable fabric keeps air moving across your skin, and the second-skin fit means no bunching, no pressure points, and nothing to distract you mid-ride. When the sun is the main hazard, these sleeves handle it without asking you to slow down. Features UPF 50+ permanent, built-in UV protection across the full sleeve89% polyamide / 8% polyester / 3% elastane construction ultrabreathable and actively cooling in warm conditions Second-skin low-volume fit stays put without pressure points or bulk at the wrist Packs down small compresses easily into a jersey pocket when not needed Assos Clima Code 1/3 rated for warm, sunny conditions where UV blocking is the priority Unisex sizing fits across road, gravel, trail, and triathlon disciplines | Assos | Summer Arm Uv Protector P1 | Size Medium/large In Black Series | Polyester/elastane/polyamide