The Smith's heavyweight plaid flannel shirt is brushed on two sides for long wearing comfort and warmth when you are working on those cold days. The flannel easy fit designs makes it easy to layer a thermal or long sleeve t-shirt. The 80/20 cotton poly fabric makes the shirt a true wash and wear easy care shirt. This big one button flap front pocket is great for storage. The double stitching on stress seams ensures comfort and a longer life to the shirt.