Signature cushioning and innovative support keep you going for miles in a running shoe set on responsive Fresh Foam for a natural-feeling ride. The HypoKnit mesh sock brings lightweight, streamlined comfort to the upper, while alignment technologies in the heel and gradient hex lugs in the tread give you medial stability without the need for internal architecture. Stability; offers maximum durability fused with flexible cushioning and side support Pull-on sock upper with lace-up shell HypoKnit u