Avia - A192W (White/Colonial Blue/Chrome Silver) - Women's: Anatomical Rebound Technology(tm) System in heel. Fom(tm) strike pad in forefoot and heel. Anatomical Cradle improves motion control and provides superior shock absorption. Cantilever(R) System for stability and shock absorption. Leather, synthetic and mesh upper. Flexfom(tm) midsole compound. Solid rubber with TPU shank.