Zoot Men's Solana 2-M Running Shoe 100% Light Weight Breathable Mesh Imported Rubber sole BareFit Internal Liner with an open mesh upper for breathability Compression ZVA gives you a soft ride with a responsive toe off Constant ground contact for support throughout the stride and a smooth quiet ride Internal support cage gives you support in the upper Carbon Rubber tread in the most critical locations to provide the best traction with out added weight