Put on the Smith's Workwear Men's Buffalo Flannel Button-Up Shirt and get to work. The shirt is made of heavyweight cotton flannel that is brushed for comfort, and its double-stitched design helps ensure long life. The flap pocket features a pen slot to keep a writing utensil nearby. Smith's Workwear Men's Buffalo Flannel Button-Up Shirt Denim/Grey-, Medium - Men's Longsleeve Work Shirts at Academy Sports