Men's wool underwear: something you need to try. Our Merino wool boxer briefs are revolutionary. Supportive and soft where you need it, our men's Merino wool underwear boasts the added benefits of moisture management and odor control. With the benefits of Merino wool, you can totally get away with wearing it more than once without washing—making it ideal for long treks, camping trips, and days when you aren't anywhere near a washing machine.