Rubber Rubber sole Men's running-inspired shoes for all-day comfort CUSHIONED MIDSOLE: Cloudfoam midsole for step-in comfort and superior cushioning FLEXIBLE UPPER: Textile and leather upper for comfort and soft feel HIGH TRACTION: The rubber outsole delivers great grip MADE WITH RECYCLED CONTENT: Made with a series of recycled materials, this upper features at least 50% recycled content. This product represents just one of our solutions to help end plastic waste