Pendleton blue wool flannel shirt Size L long #flannel #wool . The Pendleton Blue Plaid 100% Wool Long Sleeve Button Up Shirt in size Large Long is a classic and stylish piece for men. Made from high-quality wool flannel fabric, this shirt features a spread collar, double pockets, and a comfortable regular fit. The blue plaid pattern and outdoor-themed design make it perfect for casual occasions with a touch of timeless style. Perfect for adding a sophisticated touch to any outfit, this shirt is a versatile staple for any man's wardrobe. armpit armpit measurement 25 inches shirt total length 34 1/2 inches.