If you want to stay comfortable on the job, look to the Smith's Workwear Men's Extra Heavyweight Chamois Flannel Shirt. This shirt is made of chamois cotton flannel that is brushed for a soft feel, and the fabric will soften with age. The chest pocket features a pen slot to help keep a writing utensils within reach. Smith's Workwear Men's Extra Heavyweight Chamois Flannel Shirt Heather Charcoal, Large - Men's Longsleeve Work Shirts at Academy Sports