It offers a perfect blend of support, stability, and protection for off-road runs, featuring a waterproof GORE-TEX® membrane to keep your feet dry in all conditions. It's responsive cushioning and durable traction ensure comfort and grip, whether on wet, muddy trails or rocky terrain. BioMoGo DNA (100% synthetic) Outsole - Green Rubber (100% rubber). Wipe with a damp cloth, air dry; avoid machine washing or drying.