The Destroyer flannel features a 170g dual-brushed 100% cotton fabric. With a 5 pocket design for any adventure, this flannel sits apart from the rest, with a zippered chest pocket, pen pocket, and large rear stash pocket. FEATURES 100% Cotton 170g Dual Brushed 5 Pockets Zippered Chest Pocket Pen Pocket Rear Stash Pocket Big & Tall Sizes Fit : If you are a little broad in the chest we recommend sizing up as this is 100% cotton and if not washed and laid flat to dry it will shrink a little.