These Women'S Leggings Are Made From Biobased Evo® Nylon Sourced From Castor Beans. Not Fossil Fuels. And An Innovative Part Plant-Based Elastane For Added Stretch. They Have A Seamless Construction For Comfort. And Are Designed For Everyday—From On-The-Go To Lounging At Home. They Are Treated With Natural Peppermint Oil (Pprmint™) For Its Anti-Odor Properties.