HOKA ONE ONE Men's Tor Summit Waterproof Hiking Shoe nubuck rubber sole Event Waterproof Breathable Membrane - Protects against the elements. Nubuck and Suede Leather Upper - Constructed from durable material which provides excellent protection as well as looking attractive. Midsole Blend of EVA and RMAT - Provides both traction and cushioning. The Meta-Rocker Midsole Geometry - Gives the wearer a smooth, natural ride. EverFlex Midfoot Geometry - Designed to increase underfoot stability on uneven terrain.