Material: Construction: Upper: Seamless Mesh Construction Provides Exceptional Fit And Support. Gusseted Tongue Keeps The Debris Out. Navic Fit System™ Delivers A Natural Midfoot Lock Down. Molded No Sew Tpu Heel And Toe Cap For Lightweight Protection From The Trail. 3D Print Technology Provides Lightweight Stability. Outdry® Waterproof, Breathable Construction Midsole: Techlite ™ Delivers Responsive Cushioning And Stability, Without Sacrificing Comfort Outsole: Adapt Trax™ Outsole Provides Exceptional Traction In Wet And Dry Conditions. 4 Mm Outsole Lugs With Angular Front And Rear Orientations Provide The Optimal Balance Between Traction And Durability On Multi-Directional Terrain.