Exotic LeatherMade in USASynthetic soleSurface: Road. Differential: 12 mm. Breathable mesh and pigskin leather upper materials. Lace-up closure. Plush tongue and dual-density foam collar. Breathable fabric lining offers a great in-shoe feel. Removable foam insole. ENCAP? PU ring with EVA core wraps the lateral mid-foot through the heel, and around the medial mid-foot for enhanced stability. Built on the SL-1 last. Blown rubber outsole. Made in the U.S.A. from imported materials. Measurements: Weight: 12 oz PrAn ideal blend of cushioning and stability set the foundation for the latest iteration of an American classic. The New Balance? W990V4 boasts dynamic performance wrapped in a timeless silhouette to carry you mile after mile in uncompromising comfort.Predecessor: W990V3.Support Type: Overpronation/Stability.Cushioning: High energizing cushioning.