The Montrail Enduro-Sole Insole adds a layer of luxurious comfort to your favorite footwear. The surface fabric wicks moisture from your feet to prevent sweat build-up, and the cushy platform conforms to the shape of your underfoot to provide a pressure-relieving ride. Features of the Montrail Enduro-Sole Insole A High-rebound heel pad and arch support Enduro-sole insert works great for Higher volume shoes A cushioned and supportive custom Fit insole (6mm thick) PRFRM thermo-moldable top layer and thermo