Material: polyester, cool, lightweight, stretch and soft UPF 50+ Sun Protection: It can effectively block harmful UVA and UVB rays to prevent sunburn during outdoor activities Quick Dry & Lightweight: The unique fabric makes this shirt cool and lightweight, with moisture wicking capabilities to help you cool down quickly in hot climates Functional Design: The unique design of the collar area effectively prevents sunburns on the neck; the raglan sleeve design highlights the sporty style; the thumbholes provide all-around sun protection for your hand. Occasions: This sun shirt is perfect for running, workout, athletic, fishing, hiking, traveling and other outdoor sports