We did it again. This time with more cushioning, more propulsion, and added energy return. Supercharge your run with these max cushioned, max energy road runners. Key features Weight: 300g Nylon-blend Speedboard® for momentum & powerful take-offs Biggest-ever CloudTec® = an extra cushioned running shoe Max cushioning, max energy return Reworked dual-density Helion™ superfoam adds bounce Speedboard® made from nylon blend and shaped for propulsion Foam insert in the forefoot to absorb impact