Avia - A235w (White/Steel Grey/Silver/Wallflower Lilac) - Women's: Anatomical Rebound Technology(R) (ART System) is a cushioning and shock absorption system for the neutral runner. Fom(tm) Strike pad in forefoot and heel for excellent cushioning and comfort. Anatomical Cradle which improves both motion control and shock absorption by mimicking the bottom of your heel in your midsole. Also reduces twisting on both ankles and knees. Lightweight leather upper, synthetic and breathable mesh with reflective features. Removable molded EVA sockliner and compression molded EVA midsole. Supportive molded shank. Solid rubber with flex grooves.