The New Balance 770 V3 running shoe is engineered for the runner who wants the security of some stability, but does not want to sacrifice weight or cushioning. Synthetic/mesh upper. ACTEVA® Lite midsole with N-ergy® in the heel. Full-length ABZORB® Strobel Board. ABZORB® insert, medial post. NDurance® outsole, Stability Web™.