Designed with comfort and energy return top-of-mind, this versatile running shoe is crafted for runners of all styles. FuelCell midsole foam with approximately 3% bio-based content delivers a propulsive feel to help drive you forward. Bio-based content is made from renewable resources to help reduce our carbon footprint. TPU plate for a propulsive feeling 6 Mm Drop** Synthetic/ Mesh Lace closure Ships In 7-10 Business Days.