Design: Evolved recycled Flyknit upper places zones of breathability where your foot heats up the most The upper is airy and breezy and hugs the foot in a free and easy way QR code featured on the shoe acts as your tour guide to the Interact Run Scan the code and it'll open up education into the Interact's performance and sustainability as well as tips on how to extend the life cycle of your shoe When you've logged all the miles you can, the QR code will suggest ways in which you can recycle and donate the shoes once they've run their course In-Shoe Comfort: Bio IP foam is the softest in Nike(R)'s line, providing a comfortable, smooth ride Higher foam heights provide an even softer feel Durability & Traction: Skins in the toe and eye stay area offer durability Waffle outsole is made of regrind rubber and was created using runner-informed data for traction where you need it most