The Men's Sawtooth shirt is a classic flannel hand made in the USA with 11oz wool cloth. The 100% Montana Merino Wool shirt is both functional and versatile for year-round wear. The brushed flannel wool is extremely soft yet durable. 100% wool is naturally rain and snow repellent keeping you warm indoors and outside. Double chest pockets provide access to pens, phones, and other small items. Finished with double needle stitching. One hundred percent grown, spun, woven, and sewn in the USA.