Darn few flannel shirt jacs "stack" up to this one. The Flapjack® Shirt Jac is warm on both sides like your favorite breakfast feast. Gives you twice the warming power thanks to hearty 8-oz. 100% cotton flannel outside, 100% polyester fleece on the inside. Snap front, pockets, cuffs open easy, even with frost-nipped fingers. Bold plaids to make an old fur trapper proud.