The Bridger Fleece Lined Flannel Shirt is a heavyweight fleece-lined performance flannel with moisture-wicking interior fabric performance. More than just a regular cotton flannel, this men’s shirt is made for cold-weather comfort with articulated, quilted fleece-lined insulated sleeves and construction designed for easy layering. Full specs: Cotton and THERMOLITE® polyester blended heavyweight flannel THERMOLITE® technology for permanent warming, moisture-wicking, quick-dry performance Flannel is double brushed for comfort and warmth Fleece lined body Lined 3M™ Thinsulate™ 80g insulation sleeves with quilted polyester for easy on/off Snap front 2 Snap chest pockets 2 Side-entry handwarmer pockets 1 Interior YKK zipper chest pocket Adjustable snap cuffs Double needle flat-felled seams for durability Articulated sleeves for freedom of movement Relaxed cut for easy layering Shirttail hem FIT: Relaxed Fit FABRICS: Shell 57% Cotton, 43% Polyester Yarn Dyed Flannel | 6.57 oz/sq. yd; 223 GSM Lining 100% Polyester High Pile Fleece | 11.80 oz/sq. yd; 400 GSM Lining 100% Polyester Twill with DWR Finish | 2.21 oz/sq. yd; 75 GSM Insulation 100% Polyester 3M™ Thinsulate™ Insulation | 2.36 oz/sq. yd; 80 GSM