96% Cotton/ 4% Elastine Bedrock "Micro Dobby" Stretch Pants with 100% Twill Flannel Liner. The Flanstones are Exactly like our Bedrocks, only 10x Warmer. They Feature Denim-Style Pockets and Hardware, Rivets at all Stress Joints, Back Waist Leather Label, Heavy-Duty Railroad Button, Fly Closure, and Custom Labeling. WxL are: 28x30, 30x30, 31x32, 32x32, 33x32, 34x34, 36x34, 38x34, 40x34