New Balance Fresh Foam X 880v13 Women's Running Shoes Light Silver/Quartz Grey : Function meets performance in the New Balance Fresh Foam X 880v13. Featuring a plush and supportive Fresh Foam X midsole and NDurance rubber outsole, this neutral running shoe adds comfort to every step. Complete with clean lines and a simple style, the New Balance Fresh Foam X 880v13 is perfect for everyday use. Fresh Foam X midsole foam with approximately 3% bio-based content delivers incredible comfort. Bio-based content is made from renewable resources to help reduce 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 extend longevity Adjustable lace closure for a secure fit 10mm drop