The Yosemite Shirt by Taylor Stitch is an essential item for every outdoorsmanīs winter closet. Made from high quality 9 oz. 100% cotton flannel chamois, the heavy duty shirt just gets better with age. The shirt can be worn as an over layer and is incredibly warm on its own. It has a tailored fit and high armhole, and features two flap chest pockets with single pencil slot.