Very heavy duty Filson flannel shirt, one of the burliest and heaviest Filson shirts made. This thick blanket like shirt is smooth 8oz cotton twill (not brushed flannel) and feels substantive when you wear it. I'm 510 180 lb and the torso fits me perfectly. The sleeve length is about an inch longer than I personally prefer but works really well when moving around in the yard doing work because it doesn't ride up from that extra length. The shirt is a little extra longer around the waistline perfect for tucking it in and staying warm or keeping it untucked and not letting a chill breeze come in. No doubt this will become your favorite flannel of the season worn in high rotation.