Please use measurements for correct fit Measurements lying flat: Pit to pit: 24" Shoulder width: 18.5" Length from collar seam in back: 29.5" Arm length from shoulder: 26.5" 2605 This Denim & Flower Men's XL Red Plaid Flannel Long Sleeve Button-Up shirt is a versatile and stylish addition to any casual wardrobe. Made of lightweight cotton flannel in a classic red plaid pattern. I believe this has been customized, instead of being original, with a panel screen printed with KELCE 87.