Originally Posted by kuwisdelu
No. Fully line the flannel. Half/quarter-lining is for warmer-weather suits when you want as much breathability (and as little fabric as possible) between you and the outside world. A flannel is for cold-weather wear, and there is no practical reason to have it half-lined. Have it fully lined.
+1. Unlined flannel will also wear out much faster than lined. The lining will also add some shape and weigh...