Merino Wool Underwear

About

Make the switch to Merino Wool Underwear: Naturally Breathable, Anti-Odor, Comfortable, Sustainable, and safe from harmful chemicals like PFAS! Say goodbye to odor-prone cotton, synthetic fabrics and chemicals — choose Merino wool underwear for a healthier, more sustainable option. Made from 100% Merino wool and high merino content blends, our underwear offers unmatched natural breathability, moisture-wicking, and odor resistance—without compromising your health, or the planet. Perfect for hiking, skiing, running, or everyday wear, our eco-friendly Merino underwear keeps you dry, comfortable, and fresh in every season. Available in a full range of men’s and women’s styles, including briefs, bikinis, boxers, boxer briefs, and pouch briefs. Crafted with lightweight Merino that moves with your body and lasts for years, Minus33 is trusted by outdoor enthusiasts who care about performance, wellness, and sustainability. Experience the clean comfort of Merino — better for you, better for the earth.