Sizes: XS 5XL, 7XL; Fabric: 100% Certified recycled PET polyester,BIZ COOL Breathable sports knit,155 GSM,UPF Rating: 50+; Features: Breathable BIZ COOL sports knit keeps you cool and dry,Knitted rib collar with pearlized buttons,Longer length can be worn out or tucked in,Mens style includes loose pocket;