The iconic tennis classic, Stan Smith and Disney’s Kermit the frog form a collaboration for Adidas. Stan brought us the classic style that pairs with anything and fits in anywhere. The green amphibian reminds us that it is important to be green .These shoes make an effort by swapping out classic leather for recycled materials. This product is made with Primegreen, a series of high-performance recycled materials. 50% of upper is recycled content.