Merrell Nova 2 Men's Rainbow Combining the lightweight comfort of a sneaker with the durability of a hiking shoe, the Merrell Nova 2 is everything you need for an off-road escape. This trail running shoe is the perfect running partner for medium intensity trails. Stay comfortable on your journey as the Merrell Air Cushion in the heel absorbs shock from every step. Enjoy unstoppable traction from the Vibram® TC5+ rubber outsole. When its time for an outdoor adventure, lace up the Merrell Nova 2! Shoe Technology Upper: Mesh and TPU upper with breathable mesh lining. Traditional lace closure for a secure fit. Padded collar adds step-in comfort. External rear strap locks in the heel. Midsole: Merrell Air Cushion in the heel absorbs shock and adds stability. Forefoot and heel cushioning pods provide comfort. Lightweight EVA foam midsole offers stability and comfort. Outsole: Vibram® TC5+ advanced rubber compound provides excellent traction on wet and dry surfaces and in extreme temperatures.