Responsive cushioning in the Pegasus 42 provides an energised ride for everyday road runs. Experience power in every stride thanks to the propulsive feel of a curved, full-length Air Zoom unit and a ReactX foam midsole. An updated fit gives you more space in the forefoot and toe box. Full-Length Air Zoom Unit: We sculpted our full-length Air Zoom unit to deliver a propulsive feel and Nike's highest energy return from heel to toe-off. Product Details: Weight: 243g approx. (women's size 6). Heel-to-toe drop: 10mm. MR-10 2.0 Last – Updated from the Pegasus 41 What's New?: Greater toe spring than previous model due to an updated silhouette that increases the curve of the toe box. Full-length Air Zoom unit compared to forefoot and heel units in previous models