New Balance NWOB Womens Pink Fresh Foam X 880v13. Size 8.5 Fresh Foam X midsole foam with approximately 3% bio-based content delivers our most cushioned Fresh Foam experience for incredible comfort. Bio-based content is made from renewable resources to help reduce our carbon footprint • Engineered mesh upper provides a sleek and modern feel, maximizing fit and comfort • NDurance rubber outsole technology provides superior durability in high-wear areas to help get more out of the shoes • 10mm drop; due to variances created during the development and manufacturing processes, all references to 10mm drop are approximate