The shoe's cushioning GEL-NIMBUS 25 feels like bouncing on a cloud. This neutral sneaker is redesigned with new materials for smoother, more fluid running. A soft mesh upper comfortably wraps around your foot and offers optimal ventilation. The new mesh structure tongue offers optimal flexibility and wraps around the ankle for the perfect fit and comfort. The midsole has the densest cushioning of any model on the market today. With additional FF BLAST PLUS foam and our new PureGEL technology, this sneaker offers light, plush cushioning.