Go farther. The Norvan LD 3 delivers the optimal blend of comfort, light weight, support, and grip for your longest trail runs. The Cordura® 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 outsole's aggressive 4mm lug pattern delivers a confident bite.