Made for fearless riders brave enough to tackle off-road terrain.The FuelCell Summit Unknown v3 features a Hydrohesion outsole for superior grip in wet conditions, with a forefoot ROCK STOP plate to help protect feet on uneven ground. These men's running shoes have a bootie construction for a snug fit with Toe Protect technology and a gusseted tongue to help protect against rocks and debris. A springy FuelCell midsole helps you move forward.