The world Famous unisex UFO Pants are made of 65% polyester, 35% cotton and are fully machine washable. These Purple and Black UFO Pants have expandable wide leg bottoms! The bottoms on these UFO pants unzip and expand from 22? to 32? with a Black inserts and straps. Just like the originals they have drawstring waist & leg openings to easily adjust for anybody. Once you wear these most comfortable pants, you'll find yourself getting every color!