The Nike Pegasus Premium running sneakers feature responsive cushioning with ZoomX foam, a sculpted Air Zoom unit and ReactX foam. The breathable, lightweight engineered mesh keeps you contained. Your foot sits on top of full-length ZoomX foam. The full-length Air Zoom unit offers springiness underfoot. ReactX foam, 13% more responsive than previous React technology, sits at the bottom of the ZoomX foam and Air Zoom cushioning. The modified waffle outsole has high-abrasion rubber to provide traction. The heel-to-toe drop is 10mm. The sneakers weight approximately 275g/9.7oz.