Mavic Drift MTB Shoes Terra Grip outsole combines rugged Contagrip rubber lugs with a polyamide insert for excellent grip, comfort and control on the trail Gore-Tex construction provides waterproof, breathable protection Synthetic/mesh upper is durable, breathable and easy to clean Ergo Fit 2D pre-shaped, dual-density, composite insole with high-density heel cradle adds cushioning and support Agion treatment reduces bacteria and odors