Speedo Men's UPF 50+ Breaker Short Sleeve Rashguard Swim Tee 100% Polyester Jersey Imported Loose fit rashguard styling for more comfortable, forgiving fit Athletic core solid with contrast color blocking Easy care soft polyester jersey perfect for pool to gym Uv block the burn offers tighter knit fabric for higher level of sun protection Made by speedo, the world's number 1 swim brand