Protect your arms with The North Face Core Base Sun Sleeve. These arm sleeves provide athletes with protection from harmful UV rays as well as occasional brisk cold air. The arm sleeves feature UPF 40+ protection and breathable FlashDry materials, keeping you dry and cool. Each sleeve comes with silicone grips at the sleeve openings for a secure fit, and The North Face logo is branded to reflect heat. Ideal for summer or fall, The North Face Core Base Sun Sleeve is a go-to choice for runners looking to brave the elements.