"What Our Gearhead® Experts Are Saying:""I wore the Sertig III Low GTX on a full day of mixed terrain hiking and my feet felt great from the first mile to the last. The high rebound EVA midsole has a noticeable spring to it that keeps fatigue at bay on long stretches, and the GORE-TEX lining handled a wet morning crossing without missing a beat. It fits wider than most low hikers at this price, which makes a real difference on longer days.""Cool mornings on a rocky ridgeline have a way of testing your gear early, and the Mammut Sertig III Low GTX earns its place in the pack before the sun even clears the trees. Mammut built this shoe for hikers who want to move fast and stay comfortable across terrain that does not always play nice, pairing a breathable double layer engineered mesh upper with a fully waterproof GORE-TEX membrane so airflow stays high while unexpected puddles and stream crossings stay outside where they belong. The high rebound Critical EVA midsole brings a lively, responsive feel underfoot that keeps legs fresher across longer mileage, and the Ortholite insole layers in step-in comfort that holds up over time rather than packing out by noon. Underfoot, the Mammut Swiss Design outsole digs into loose gravel, damp root networks, and low-temperature trail surfaces with dependable confidence, while the abrasion-resistant upper and rubber rand shrug off the scrapes and scuffs that come with covering real ground. Whether the day starts on a maintained path and drifts into something wilder, the Sertig III Low GTX is built to stay comfortable and capable the whole way through."

Key Specifications