out the hottest new technology in fashion with "good housekeeping" magazine's style director, lori bergamotto. welcome, lori. >> thank you. so good to see you. thank you for having me. >> let's talk denim starting with white. last i checked we are or not allowed to wear white after labor day. >> i'm so glad you asked, lara. >> please. >> let's debunk. you can absolutely wear it through the fall and into the winter and we're going to show you why it's so key with new denim innovations. here on tatiana she's in a regular pair of white jean, we'll pour a little dark soda on her. i know, sorry, sorry. >> all in the name of science. it leaves and i'm sure it's happened to us all. this is why old navy, genius innovation, these jeans are their stay white jeans and you can see i'll pour it on sam. see how it beads up. isn't that to cool then you would just take a paper towel and would blot this. >> it beads right off. >> we tested these in our textiles lab and this -- >> have you a lab too. >> we're known for our lab, spencer but this also will continue after you wash them which is great because some