Women's New Balance® Fresh Foam X 880v15: Cloud-like comfort that goes the distance! Your revamped Women's New Balance Fresh Foam X 880v15 road runner boasts a 6mm drop and Fresh Foam X cushioning infused with 3% bio-based content (plush, please!). The structured, breathable mesh upper keeps your feet cool and snug, making it easy to wear from your morning run to the rest of your day. Lightweight and incredibly cushioned, the Fresh Foam X 880v15 is designed to feel so natural, that you'll forget you're even wearing them.