When fashion meets function.Softer GEL cushioning in the heel provides great shock absorption. Improved forefoot GEL technology. The midsole has FLYTEFOAM Propel technology. This thermoplastic component provides stability under the shoe's arch using TRUSSTIC technology. The lightweight, designed mesh upper. Designed with high mileage runners in mind, the GEL-NIMBUS 22 shoe incorporates extra foam in the midsole to lessen the intensity of harsh impact. Lightweight AHAR outsole. The GEL-NIMBUS 22 performance running shoe is designed to provide gentle cushioning.