No itch, no stink, no sweat - no doubt we're talking about quality Filson men's long johns and underwear. Little compares to the lightweight thermal warmth of our fine, Merino Wool
Alaskan Long John Midweight Top and
Alaskan Long John Midweight Pants. Plus our new high performance
Fleece Zip Neck Top and
Fleece Pants offer one of the highest warm-to-weight ratios available. Tough on the elements, easy against the flesh, battle the cold with bulk-free base layers from Filson.