Altra Lone Peak 9+ Goretex Running Trail Shoe pairs waterproof protection with reliable grip for technical trail running and variable terrain. Key attributes: Black | GORE-TEX Invisible Fit | Waterproof | Lightweight upper | Superior traction on varied surfaces | Responsive cushioning | Zero drop platform | Spacious toe box for toe and midfoot movement | Responsive cushioning for varied terrain | Vibram® Megagrip outsole | GORE-TEX Invisible Fit upper | Altra EGO™ midsole | Dimensions & fit: Zero drop (0 mm) | Spacious toe box for natural toe splay and midfoot freedom | Composition & care: Upper: GORE-TEX Invisible Fit, 85% RPET | Midsole: Altra EGO™ | Outsole: Vibram® Megagrip