filson man 400g merino wool half zip fmfel00225420 310 Size:XS tied knots in the sleeves

tied knots in the sleeves and captured enough air in the shirt to keep me afloat until I was picked up 20 or so minutes later by a local crabber

whistles or other gear that requires instant access on the trail

Built with beefy 13-oz

now made with lighter-weight 4-oz

including the pass-through full-width back pocket originally used to stow maps and charts

filson man 400g merino wool half zip fmfel00225420 310 Size:XS tied knots in the sleevesOur heavyweight 400g Merino Long Sleeve Half Zip is soft and moisture wicking, making it an effective next to skin base layer in frigid conditions that can also double as a light sweater in cooler weather. Constructed from ultrafine heavyweight 400 gram wool, it naturally wicks away sweat and resists odors effectively. Features a short collar and a half zip front to effectively regulate your temperature.