Fresh Foam X midsole foam with approximately 3% bio-based content delivers the most cushioned Fresh Foam experience for incredible comfort; Stability Plane provides performance and stability you need without compromising cushioning and the comfort of the underfoot platform; Rocker profile; Material: Supportive, synthetic upper; Cushion: Soft; Support: Stability; Heel to Toe Drop: 8mm; Weight: 306.5 grams (10.8 oz)