What Our Gearhead(R) Experts Are Saying: "I've trusted the Lone Peak line for years, and the GTX version makes it even better for muddy, wet, or unpredictable weather. The Vibram Megagrip outsole sticks on slick rock, and the GORE-TEX upper keeps my feet dry without feeling heavy. This is the trail shoe I grab when I know the conditions will be rough."Trail-tested and storm-ready, the Men's Lone Peak 9+ GTX Hiking Shoe brings waterproof protection to Altra's most iconic trail runner. Built with GORE-TEX Invisible Fit, the upper keeps water out while staying breathable and lightweight, so you can move freely in wet weather. The MaxTrac midsole provides balanced cushioning with a responsive feel underfoot, while the zero-drop platform and roomy FootShape toe box encourage a natural stride across varied terrain. A Vibram MegaGrip outsole delivers outstanding traction on slick rock, muddy singletrack, and everything in between. When the forecast looks unpredictable but the trail still calls, the Lone Peak 9+ GTX is the reliable pick to keep you running strong.