THIS WOMEN'S SPORTS BRA IS MADE FROM BIO-BASED EVO® NYLON SOURCED FROM CASTOR BEANS, NOT FOSSIL FUELS, AND AN INNOVATIVE, FIRST-TO-MARKET PART PLANT-BASED ELASTANE FOR ADDED STRETCH. IT IS TREATED WITH NATURAL PEPPERMINT OIL (PPRMINT™) FOR ITS ANTI-ODOR PROPERTIES.