adidas - Rhyolite Mid M (Carob/Dark Navy/Twine) - Men's: Scratch-suede leather for durability. Mesh nylon upper combines light weight and breathability. Textile lining. EVA insole for comfort. Injected EVA midsole for long-term lightweight cushioning. High-traction rubber outsole, the ultimate in grip. Mountain grip the perfect combination of stability and grip.