The New Balance 857 ST is a high mileage trainer with ABZORB® SBS cushioning and dual density medial post to accomodate the moderate to severe overpronator. Features ABZORB® FL Midsole, New Balance's top of the line foam material with excellent cushioning and compression set properties. A blend of DuPontTM Engage® Isoprene rubber and proprietary materials provides the ultimate ride. The TS2® (Transitional Support System) provides multi-density medial support that creates a smooth transition from heel strike to toe off.(Wt 13oz)
