UV Protection - UPF 50+ fabric blocks more than 99% of UVA and UVB rays, keeping you safe from sunburns. Quick-drying fabric - 88%polyester 12%spandex, lightweight, breathable, moisture wicking fabric absorbs moisture from the body surface and evaporates quickly to keep skin cool and dry. High stretch - The high stretch fabric enables kids to move with greater flexibility, while the raglan sleeve design eliminates any restriction on shoulder movement. Mock Neck and Tag free - The mock neck design offers sun protection, while the flat seams and tagless design enhance overall comfort. The Actleis swim rash guard is suitable for a wide range of outdoor activities, including swimming, surfing, fishing, running, camping, hiking, beach volleyball, and even daily life. Actleis Boys Swim Shirt Quick Dry