Casual Country Big Men's Short Sleeve Plaid Shirts 55% cotton Sized Properly for Big and Tall Men Across Chest (Underarm To Underarm) 3X - 31" / 4X - 34" / 5X - 35.5" Length (From Back Of Collar To Bottom Hem) 3X - 34" / 4X - 34" / 5X - 35" Fabric: 55% Cotton/45% Polyester