filson man 400g merino wool half zip fmfel0038k0185 310 FilsonMackinaw The back panel is padded

The back panel is padded for comfort when carrying hard goods

They're lined with moisture-wicking Merino wool

is an exceptionally abrasion-resistant 2x2 basket weave of sturdy nylon threads

Designed for effective waterproof protection

The solid brass hardware is sand-cast and debossed exclusively for Filson–a fine example of what we mean when we say “Might as Well Have the Best

filson man 400g merino wool half zip fmfel0038k0185 310 FilsonMackinaw The back panel is paddedOur 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.