the Benchmark Against Which All Others Are Judged, the 200 Oasis Leggings Are Icebreakers Ultra-Comfortable Base Layer Bottoms That Make the Perfect Foundation for Your Everyday Cold-Weather Layering System. Made with 100% Merino Wool Jersey Fabric Thats Breathable, Insulating, & Odor-Resistant, the Oasis Features a Slim Fit & Gusseted Construction for Unrestricted Freedom of Movement. the Brushed Elastic Waistband & Flatlock Seams Throughout 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 Its Hot & Warm When Its Not, & Lets Your Skin Breathe for Comfort All Day, Every Day. Minimum Quantities Apply.