Incredibly warm base layer bottoms perfect for skiing, winter hiking, or cold-weather layering, the 260 Tech Leggings with Fly feature a 100% merino wool jersey fabric for premium softness, insulation, and breathability. A warmer version of icebreaker’s best-selling Oasis Leggings, these odor-resistant bottoms also feature a gusseted construction for ample range of motion, and flatlock stitching throughout to eliminate chafing. 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.