New Balance's top of the range cushioned shoe. Engineered for runners who want the very best in comfort and cushioning. N-Ergy, a reilient engineered elastomer designed to provide shock absorption and responsiveness for the optimal ride. Full length abzorb midsole material with excellent cushioning and energy displacement properties. Stability Web, optimal arch support that's both rigid and lightweight while preventing midfoot flex. With Lockdown Liner, adjustable, internal liner that is integrated into the lacing to provide a custom fit and securley holding the midfoot. Phantom Liner the seamless use of inner upper material to provide an anti abrasion fit. Lightning Dry, a superior fabric that keeps you dry and comfortable by managing moisture transfer. Ortholite, the high quality cushioned insole which supports the unique structure of the human foot, and provides long lasting durability, breathability and cushioning. N Durance-Rubber compound for maximum durability in high wear areas of the heel.