Sizes: XXS - 5XL, 7XL; Fabric: 100% Square Weave Cotton Ripstop, 145 GSM; Features: Mesh venting to increase breathability in the under arm, upper back, and back side seam, Mechanical stretch to give you more freedom of movement, 2 Chest pockets with pen partition, Reinforced at all key stress points with bar tacks, Modern fit.