It’s highly water-resistant and windproof with a non-oily feel

There simply is no insulation that is warmer and lighter

supple leather for generations of daily wear

Leather adjusting strap

filson man insulated flannel jac shirt fmosh0026w1335 425 FilsonRuggedTwillBrief It’s highly water-resistant and windproofBased on vintage archive designs, our Insulated Flannel Jac Shirt is a go to for cold temperatures. The cotton flannel is brushed on both sides for outstanding softness. Quilted through polyester insulation traps heat close to the body. Classic button front and spread collar design. Chest pockets protected by buttoned flaps. Low set welted hand pockets. Shirttail hem. 2 box quilt pattern.