The Stability MR749GO from New Balance features Abzorb NBs top of the line foam material with excellent cushioning and compression set properties. Activa Lite Combines superior cushioning with lightweight performance. Ndurance Outsole Provides long-wearing durability. NLOCK Support Designed to provide upper midfoot structure and enhanced support. Stability Web Provides midfoot support and torsional stability while reducing weight. Synthetic-Mesh Upper Provides lightweight comfort and support.