Design: Engineered mesh upper made from 100% recycled polyester SpeedboardA(R) made from a lightweight and flexible nylon-blend for maximum propulsion In-Shoe Comfort: The heel, tongue, and inner are made using ultralight materials to ensure maximum breathability and comfort Heliona" superfoam for ultimate comfort Durability & Traction: Rubber compound with grip-enhancing tread pattern Additional Details: Heel-to-toe drop: 8mm. Women's Running Shoes from the On brand.. Ready to give it a try? Visit www.dickssportinggoods.com to learn more, explore additional product details, and check availability at a DICKa (TM)S Sporting Goods store near you. Place your order online for fast shipping or in-store pickup a " DICKa (TM)S makes it simple to find exactly what you need..