Vintage men's 1940s-50s red and black buffalo plaid long sleeve button up outdoor utility wool shirt by North Country Outdoor Wear. Features two chest pockets and cat eye buttons. Selling as is -- has a couple holes on the front + back, as well as fraying and appears to be missing bottom button {see images}. Feels like wool. 

manufacturer | North Country Outdoor Wear by Kunkerfues Bros. Mfg. Co.
tag size | n/a -- est. it to best fit men's L/XL
*refer to measurements for sizing as this is an estimate

measurements: