Hoka One One Tor Ultra HI WP hiking shoes deliver a groundbreaking blend of running shoe cushioning and supportive trekking. The 5mm lugs on the outsole help grip the earth and give you increased traction and durability. You'll feel even more comfortable with a waterproof membrane in the upper that works to keep your feet feeling dry and fresh.Upper: Full-grain leather and Textile upper provides durability and support. Molded upper collar offers flexibility and comfort. Event® Waterproof Membrane with Full Bootie Construction. Lace-to-toe with Forefoot Flex Grooves offer control and comfort. Protective Rubber Toecap provides enhanced durability.Midsole: Late Stage Meta-Rocker Geometry encourages a guided foot gait cycle. Active Foot Frame provides integrated stability, adaptable to a wide range of feet and running styles. Full-length EVA top midsole provides enhanced cushioning. Engineered RMAT® midsole allows for a supportive ride. Technical midfoot geometry increases underfoot stability. Removable insole.Outsole: Vibram® MegaGrip Hi-Traction Outsole with 5mm lugs.