I love this versatile cozy flannel shirt! Features a detachable hood w drawstrings & buttons to hold the sleeves rolled up. Wear it tucked in or out, buttoned up or as a jacket, see pics. Size up for a looser fit, runs small. Modeled w KNOXVILLE white tee underneath. Material: 100% cotton, hood cotton poly blend Modeling: S Measurements: total length 24 inches, pit to pit 17 inches, add an inch for each size up.