Classic underwear made with 100% merino wool, the 175 Everyday Boxers with Fly feature a slim fit for premium comfort Breathable, comfortable and odor-resistant, these boxers also feature a gusseted design, a contoured pouch with functioning fly, and a brushed elastic waistband Soft merino fibers that regulates body temperature in all weather conditions and resists odors Inspired by nature, icebreaker harnesses the performance qualities of natural fibers to offer an alternative to clothing based on petrochemical synthetics Merino is an annually renewable fiber that naturally resists odors, keeps you cool when it’s hot and warm when it’s not, and lets your skin breathe for comfort all day, every day