impact responsive foam stiffens under high loads

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 ?C Vibram? Litebase sole, InFuse? midsole ?C shed grams, and the grippy Vibram? Megagrip outsole??s aggressive 4mm lug pattern delivers a confident bite.

Asymmetric heel pulls aid quick entry without compromising fit