Design: Cole Haan's first sustainable sneaker, created using a minimum of 25% naturally derived or recycled content by weight Lightweight 360° engineered upper and FlowerFoam™ sole work together to help your feet move naturally Upper design includes vegan microfiber suede made with 21% recycled content, reconstituted felt fabric made with 85% recycled plastic bottles (rPET), and laces made with 100% rPET In-Shoe Comfort: FlowerFoam™ sole is made from 25% natural dandelion rubber and provides lightweight cushioning to keep you going all day long Cole Haan Men's Generation ZERØGRAND II Shoes