The benchmark against which all others are judged, the 200 Oasis Leggings are icebreaker's ultra-comfortable base layer bottoms that make the perfect foundation for your everyday cold-weather layering system. Made with 100 merino wool jersey fabric that's breathable, insulating, and odor-resistant, the Oasis features a slim fit and gusseted construction for unrestricted freedom of movement. The brushed elastic waistb…