You build a great run from the ground up. Start with the stable platform of the New Balance Vazee Prism 2. Breathable, engineered mesh upper with snug, sock-like bootie construction. REVlite foam midsole for lightweight cushioning and energy return with every step. 8mm drop. Medial post limits pronation, encouraging a more natural, comfortable running stride. Blown rubber outsole for durable cushioning on any surface. Wt. 10.4 oz.