and heavy-twill pocket bags ensure your valuables are safe for the long haul

and easy to operate while wearing work gloves

Removable sheepskin-shearling patch for drying flies

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

filson man insulated flannel jac shirt fmosh0026w1335 425 FilsonRuggedTwillBrief and heavy-twill pocket bags ensureBased 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.