New Balance - M901 (Blue/White) - Men's: Lightweight training shoe developed with added support for the performance runner looking for a fast-paced trainer. ABZORB(R)SBS forefoot for maximum shock absorption. ABZORB(R) heel for exceptional shock absorption. ACTEVA(tm) LITE midsole which is a premium lightweight midsole foam with DuPont(R) Engage and Elvaloy providing optimal compression set. TS2(R) Transitional Support system: pronation control and smooth transition through the gait cycle. N-LOCK(tm) enhances midfoot support. N-DURANCE(R) outsole is a rubber compound for maximum durability in high-wear areas. Air mesh is lightweight and breathable. Blown rubber forefoot is lightweight and cushioned. Strobel Lasted SL-1.