Totoship Long Sleeve Plaid Flannel Warm Shirt Fleece Lined Blouse up Outside Material:100% Cotton.Lining Material:100% Polyester. Anti shrink, non-fading, machine wash or hand wash. Light Weight,Casual,Warm Keeping,Great Choice For Outer or Undershirt in Cold Weather. Long sleeves, front chest snaps,classic casual design. Size description: The tag labeled is Asia size. US 0=Asia M, US 2=Asia L, US 4=Asia XL, US 6=Asia XXL. Pls choose one size up on your usual size. If you usually wear US 0, pls take US 2.