Hand-forged from iron

With their entirely handmade nature

it’s lined with our Alaskan Guide Flannel—trusted by ranchers and bush pilots for decades

It’s so warm you’ll want to wrap up in it like a blanket

The Mackinaw Wool Jac-Shirt insulates like a coat and wears like a shirt

filson man vintage flannel work shirt fmcam0016w0322 620 Size:L Hand-forged from ironOur Vintage Flannel Work Shirt has been a favorite of Filson employees and customers alike since its 2015 introduction. Built with thick and breathable cotton flannel, its ideal for cold weather. The fabric is heavily brushed for outstanding softness and thermal retention. Dual shoulder pleats on the back yoke provide unrestricted range of motion for working overhead, casting a fly rod, or shouldering a shotgun. Virtually unbreakable buttons are used