Sizes: XS - 3XL, 5XL Extras: Fabric: 100% BIZ COOL Cotton-feel Micro Polyester,160 GSM,UPF rating - Good Features: No-fuss anti-shrink, anti-fade fabric has a cotton-like feel that keeps you cool and dry,Heathered marle effect fabric for a modern athletic look,Mens style features a classic crew neck shape