The Filson Men’s Ultralight Vest is a packable vest for the chill of fall on the trails. Alone over your trusty flannel or as a midlayer with a shell overtop. However you treat the weather at hand, the 60g PrimaLoft Gold insulation will warm you up, even if it’s wet. The ripstop nylon exterior holds up to the scrapes and rubs against wayway tree branches and bushes, while a Moleskin-lined collar is cozy-comfy right against the neck. Packs down small for days when the sun offers enough heat and is ready to deploy when it drops behind the clouds.