Say hello to the finest merino wool underwear around. 

A high-performance blend of Merino yarns, modal, and a touch of spandex, these boxer briefs will outwork a drawer full of your average undies. At 170 grams per m², we've engineered these for comfort, performance, and incredible durability. Our men's merino wool underwear is built with life and living in mind. Some say that our luxurious merino wool underwear is the best underwear they’ve ever worn, just take a look at the reviews, and then see for yourself. 

Merino underwear is the perfect choice for its inherent moisture-wicking properties as well its reputation for being odor resistant. Wool fibers aid in natural, chemical-free, odor control. Add our merino underwear to your drawers and you won’t look back.

Men’s merino wool underwear for every day and every adventure.

Whether you’re on the hunt for the perfect running underwear or need something to transition seamlessly from your morning commute to giving presentations, the Borealis 72 Hour Briefs are a perfect choice. We’ve chosen the perfect fabric weight for every occasion.

If you’re looking for other merino base layers take a look at our collection of wool shirts in both long and short sleeve.