Made for fearless runners brave enough to take on the off-road terrain. The New Balance FuelCell Summit Unknown features a Hydrohesion outsole for superior grip in wet conditions, with a forefoot Rock Stop Plate to help protect feet on uneven terrain. These men's trail running shoes have a bootie construction for a snug fit with Toe Protect technology and a gusseted tongue to guard against rocks and debris. A springy FuelCell midsole helps drive you forward.