New Balance Boy's Lightweight Running Shoes. The New Balance KJ690SOY lightweight running shoe can help the athlete who has just started running, and the one who has been on the track for a while! Ndurance® rubber compound for maximum outsole durability and ABZORB® cushioning in the midfoot will provide exceptional shock absorption for his feet, allowing him to run at his strongest pace.
Synthetic/Mesh upper provides lightweight comfort and support
Ndurance® rubber compound for maximum outsole durability
IMEVA (injection-molded EVA foam) midsole for firm yet flexible cushioning