New with tags, bought the wrong size and now it's too late to return them. Features Fresh Foam X midsole foam with approximately 3% bio-based content delivers the most cushioned Fresh Foam experience for incredible comfort. Bio-based content is made from renewable resources to help reduce our carbon footprint. Hypoknit upper designed to provide strategic areas of stretch and support Underfoot cushioning and flex zones informed by pressure mapping data Blown rubber outsole