This versatile running shoe is designed with comfort and propulsion in mind, for runners of all styles. Features FuelCell midsole foam with approximately 3% bio-based content provides a propulsive feel that helps you move forward. Bio-based material is sourced from renewable sources to help reduce our carbon footprint TPU plate for a propulsion feel 220 grams (7.8 oz) Composition Structured upper for breathability and lightweight fit Lightweight synthetic material.