The Ravus Mid Wp Is Loaded With Everything You Need To Hit The Trails. Our M-D Traction Rubber Outsole Improves Grip And Durability On Variable And Rough Terrain, And The Fork Shank Ensures Flexible But Stable Movement. Our Dri-Tec Waterproof Membrane Keeps Your Feet Dry In Wet Conditions While The Light, Durable Synthetic And Mesh Upper Provides Flexibility And Breathability For Long Treks.