Kid Adventure Underwear - 100% Merino Wool Soft, breathable, and quick-drying - our Kid Adventure Underwear are made from 100% merino wool to keep little explorers comfortable all day long. Temperature-regulating and odor-resistant, they&&';;re perfect for backcountry adventures, school days, and everything in between. Quick-dry + easy to rinse on the go Naturally breathable + odor resistant Gentle, all-day comfort