Spend full days on the beach or in the backcountry in the quick-drying The North Face Boy's Long Sleeve Hike/Water Tee with a UPF 50 rating. Benefits:Wicking: Quick-drying fabric moves moisture to the surface to evaporateUPF: UPF-rated garments offer very good UV protection from prolonged exposure to the sunFeatures: Stretch, short-sleeve tee FlashDry fibers wick moisture and speed drying Ultraviolet Protection Factor (UPF) 50 Screen-printed logos Care Instructions: Machine Wash Specs:Avg Weight: 4.9 oz Center Back: 22" Fabric: 84% polyester, 16% elastane jerseySee "Overview" below for sizing information.