New Balance Men's MR760 Synthetic and mesh Rubber sole N-ergy is a resilient engineered elastomer designed to provide shock absorption and responsiveness for the optimal ride Stability Web provides optimal arch support thats both rigid and lightweight while preventing midfoot flex ABZORB FL midsole foam provides an amazing blend of comfort and performance with DuPont Engage and isoprene rubber TS2 post utilizes a transitional support system with multi-density medial support which creates a smooth transition from heel strike to toe-off SURE LACE is a computer knit lace/chord designed with a reciprocating wave pattern that will not untie under high performance or inclement conditions