This natural fiber is one of the best materials for trapping warmth. “My No. 1 recommendation for long underwear is merino wool,” says Sarah Savala, a gear expert and customer-care supervisor ...

Choosing the right type of hiking underwear can make or break your time on the trail. This is the material we like best for ...

The best underwear for working out should be comfortable ... Dr. Fromberg notes that cotton does breathe well, but won’t dry quickly like merino wool or wood pulp-based fibers.

So toss those ripped, worn-out ones that are hanging on by a thread, since the best socks for men should be made from high-quality, long-lasting materials like cotton, Merino wool, or a blend of ...

Forget cotton. Merino wool t-shirts, sweat-wicking and BO-killing, are perfect for hiking, climbing, or traveling around the world.