The unisex  running shoes in smoke bluff are designed for long distance runs in wet, wintery conditions and feature durable, flexible upper lined with a GORE-TEX bootie for waterproof, breathable protection, a highly breathable water-repellent stretch gaiter with a front zip closure, toe box sized to accommodate splay, and the heel and forefoot stack absorbs shock, advanced materials including a Vibram® LITEBASE sole and InFuse® midsole to shed grams, and a grippy Vibram® Megagrip rubber compound with an aggressive 6mm lug pattern for a confident bite on winter trails.