Altra Lone Peak 9+ Goretex Trail Shoe pairs waterproof GORE-TEX Invisible Fit protection with a Vibram® Megagrip outsole for secure traction across varied terrain. The Altra EGO™ midsole and roomy toe box deliver responsive cushioning and natural toe movement on long trail runs. Key attributes: Black | GORE-TEX Invisible Fit | Waterproof | High-traction Vibram® Megagrip outsole | Zero drop (0 mm) for natural stride | Waterproof upper | Responsive cushioning | Underfoot protection (stone guard) | Gaiter attachment tab (GaiterTrap) | Roomy toe box | Trail-focused lugged outsole | Dimensions & fit: Drop: 0 mm | FootShape fit with roomy toe box for natural toe splay | Stack height: 25 mm (heel / forefoot) | Composition & care: GORE-TEX Invisible Fit (85% RPET) | Altra EGO™ midsole | Vibram® Megagrip outsole | Wipe clean with a damp cloth and air dry. Do not machine wash or tumble dry. Reproof as needed according to GORE-TEX care guidelines.