Montrail Women's Masochist 3 Outdry Mountain Running Shoe 100% Mesh/Webbing Overlays Imported Rubber sole Supportive and flexible mountain running shoe with outdry waterproof breathable upper Fluidfoam midsole for enhanced cushioning and flexibility Fluidguide technology for support and a smoother ride on trail surfaces Gryptonite outsole for enhanced traction Trailshield outsole protecting your feet against rocks and debris