Product Details : The mesh underarms provide strategic ventilation while this ultra-soft, light-weight shirt is constructed with a blend of 90% polyester, 10% spandex for quick drying that wicks away moisture. This shirt is made with UPF 50 plus sun protection and an anti-microbial treatment to prevent odors and bacteria build-up before it even starts. Active fit with stretch comfort 90% polyester 10% spandex for quick-drying material that wicks away moisture Mesh underarms Raglan sleeves UPF 50 plus sun protection Anti-microbial treatment to prevent odors and bacteria build-up Machine washable