Altra Lone Peak 9+ GTX pairs a GORE-TEX Invisible Fit waterproof upper with a Vibram Megagrip outsole for confident traction on wet and dry trails. The Altra EGO midsole delivers responsive cushioning while the reinforced, reduced toe box preserves toe clearance on technical terrain. Key attributes: Green | Dusty olive | GORE-TEX Invisible Fit | Waterproof | High breathability | Lightweight construction | Exceptional wet and dry traction | Responsive cushioning | Reinforced, reduced toe box for protection and flexibility | Altra EGO midsole for responsive cushioning | Zero-drop platform | Structured mesh upper | Reinforced, reduced toe box | Vibram Megagrip outsole | Dimensions & fit: Drop: 0 mm | Composition & care: 85% RPET | GORE-TEX Invisible Fit | Altra EGO midsole | Vibram Megagrip outsole