The 100g PrimaLoft® Gold insulation used in this jacket has been tested to retain 98% of its warmth in soaking conditions

The fit is trim for layering over a shirt - for heavier layers consider ordering up a size

The chest pockets secure with buttons underneath the flaps to prevent snagging

The lightly-waxed fabric keeps gear dry and closes with a solid brass YKK® zipper that’s protected by a snap-secured storm flap

For maximum versatility

filson man denim guide shirt fmcam0054w0890 001 SS26 The 100g PrimaLoft® Gold insulationThis durable classic is patterned after our iconic Alaskan Guide Shirt, a trusted favorite of bush pilots, ranchers, and sportsmen for thirty years. The 7. 5 oz. fabric shares the same 2x1 warp face twill weave as the strongest jeans, in a weight comfortable for a shirt. Like our original Guide Shirt, the fit is relaxed, with a center back box pleat for ease of motion. Buttons secure the front, cuffs, and expandable chest pockets.