Left Chest Pocket: Features a button-through design Fabric: Made of 6.5 oz. 100% cotton flannel Closure: Button-up with a single button-through left chest pocket Everyone's quest for the ideal flannel shirt ends with Stormy Kromer's offering. This shirt, made of robust 6.5 oz. 100% cotton flannel, is designed with comfort in mind, featuring a button-thru chest pocket and an updated fit. It boasts a button-up closure and cuffs, with a single button-thru left chest pocket.