Sizes: XXS - 5XL, 7XL; Fabric: 100% Square Weave Cotton Ripstop - 145 gsm; Features: Segmented tape to improve comfort, movement, and breathability,Mesh venting to increase breathability in the under arm, upper back and back side seam,Mechanical stretch to give you more freedom of movement,Two chest pockets with pen partition,Reinforced at all key stress points with bar tacks;