Pendleton Wool Flannel Shirt Blue Plaid Deadstock size XL NOS New Button up The Pendleton Wool Flannel Shirt in blue plaid, size XL, is a vintage deadstock piece featuring a classic button-up style with a collared neckline. Made from wool flannel in the United States, this shirt is perfect for casual occasions in the fall, winter, and spring seasons. The retro design with a touch of preppy style and western theme makes it a timeless addition to any wardrobe, especially for those who appreciate high-quality American-made apparel.