Go farther. The Norvan LD 3 delivers the optimal blend of comfort, light weight, support, and grip for your longest trail runs. The upper is breathable and durable, and the dual-layer internal construction minimizes friction. The toebox is sized to accommodate splay, and the heel and forefoot stack absorbs shock. Advanced materials Vibram Litebase sole, InFuse midsole shed grams, and the grippy Vibram Megagrip outsoles aggressive 4mm lug pattern delivers a confident bite.