Our best-selling base layer bottoms made from soft and breathable 100% merino wool jersey, the 200 Oasis Leggings are the perfect foundation for your cold-weather layering. FEATURES 100% Merino - Soft merino fibers that regulates body temperature in all weather conditions and resists odors Gusset for mobility and comfort Flatlock seams to prevent friction Women's Icebreaker 200 Oasis Leggings - Black