So you're a flannel guy. Wouldn't it be great if you could live in flannel no matter what the weather does? Now you can. At 4.1 oz., Wicking Free Swingin' Flannel is 25% lighter than our regular flannel and made with 40% sweat-wicking polyester to keep you cool and dry. 60% cotton blend feels flannel soft and comfortable. Modern bi-swing back and Armpit Gussets keep you movin' easy. Flannel in every season? No sweat!