With an updated fit and tooling to make the shoe more versatile for both tempo runs and races. A full-length carbon and TPU plate are sandwiched in the midsole to propel your foot forward. This helps create a smoother and more propulsive rebound during the toe-off phase of your stride. The midsole's top layer is reconstructed with FF BLAST™ PLUS cushioning. This makes your stride feel even more propulsive while keeping the shoe lightweight