New Balance - WX980 (White/Blue) - Women's: An ultra-lightweight trainer offering superior performance. ABZORB in the heel and forefoot offer exceptional shock absorption. STABILITY WEB in the midfoot gives superior support while reducing overall weight. Synthetic/Mesh Upper that's lightweight and supportive. N-LOCK enhances midfoot support. I.S.S. (Internal Support System) hugs the midfoot for added support. ACTEVA midsole, a homogeneous foam cell structure, provides resistance to compression set. Shoe weighs 9.2 oz. (size 7). Strobel Lasted SL-1.