Built with the same heavy-duty waxed canvas that’s earned legendary status in the Pacific Northwest logging world

Highly breathable

it’s lined with our signature Alaskan Guide Flannel that’s been a favorite of bush pilots

knowing that they’re providing all-conditions comfort that will serve for decades

Durable YKK® zipper

filson man insulated flannel jac shirt fmosh0026w1335 470 Size:M Built with the same heavy-dutyBased 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.