On Women's Cloudmonster 2 Running Shoes Color: White Design: Engineered mesh upper made from 100% polyester New eyestay construction provides better lockdown and adjustment when and where you need it In-Shoe Comfort: New dual-density Helion superfoam adds mega bounce Foam insert in the forefoot makes for softer landings and impact absorption New Speedboard, fixed between two midsole components for comfort, gives you extreme propulsion on the road