The acclaimed inchbest-of inch hiker returns, lighter and more agile than ever. Salomon X Ultra 4 GTX Hiking Boots offer stability and control over all hikes, even through ascents and descents. ADV-C 4D Chassis encases your foot while guiding through your stride, providing added support especially around the heel while remaining flexible at the forefoot. For added security, Sensifit's active support secures your foot from midsole to lacing for a customized fit that also accompanies every movement. And for traction on the widest variety of surfaces, Contagrip MA's outsole's lugs penetrate deep for traction, including zones tuned for stability when going uphill and down. All while weighing only 13 ounces each. Comfortable in wet and dry conditions The X Ultra 4 features a GORE-TEX waterproof full-bootie membrane along with water-resistant uppers to keep you dry. Inside, the OrthoLite insole not only cradles your foot with each step, it's also breathable, and it resists wearing own so you can depend on it each hike. The EnergyCell midsole absorbs shock to lessen fatigue. Even the toe and mud guards protect you from trail hazards that cause discomfort. It all contributes to the X Ultra series' reign as one of the best all-around hiking boots you can find. Water-resistant polyurethane-coated leather uppers (PFC-free) with Active Support GORE-TEX breathable waterproof membrane keeps water out while letting vapor escape ADV-C 4D Advanced Chassis technology supports, especially around the heel, while allowing for a natural stride Contagrip MA outsole with chevron lugs digs in for traction, including tuned for control during ascents and descents OrthoLite insole with comfortable contoured cushioning, is also breathable EnergyCell midsole absorbs shock to lessen fatigue SensiFit secures the foot from midsole to lacing system for added security Gusset tongue keeps trail debris out Protective toe guard Wraparound mud guard Traditional lacing M