Design: Rocker geometry triggers forward momentum, pushing you onto the next step Engineered mesh upper with lace closure Women's-specific fit In-Shoe Comfort: Soft, lightweight REPETITOR foam platform with REPETITOR +, a firmer foam, to create a dual density midsole Firmer 15% recycled EVA in the heel protects and helps stabilize any heel strike Integrated cage system secures the midfoot for extra support Durability & Traction: Continental™ Rubber outsole provides grip that can meet the tough conditions of the road Additional Details: Midsole drop: 6 mm (heel: 37.5 mm / forefoot: 31.5 mm) Weight: 11.2 ounces adidas Women's Adistar Running Shoes