What Our Gearhead(R) Experts Are Saying:"I've used the MTN Racer 4 Trail Running Shoe on rugged mountain trails, and it's a game changer. The ZipFoam(TM) midsole keeps it lightweight yet cushioned, and the Vibram(R) Megagrip outsole gives me the traction I need on loose or wet surfaces. The fit is more secure than previous versions, and the updated gaiter attachment really keeps debris out. Whether I'm pushing the pace on steep climbs or cruising downhill, these shoes keep me confident and comfortable."We're geared up for fast and technical terrain with the MTN Racer 4 Trail Running Shoe. Designed to handle everything from rocky paths to muddy trails, this shoe combines lightweight comfort with reliable durability. The ZipFoam(TM) midsole cushions every step while delivering a responsive feel, so we can push our limits without sacrificing comfort. The Vibram(R) Megagrip outsole provides traction on tricky surfaces, and the breathable upper helps keep our feet cool when we're working hard. With a snug fit and improved gaiter compatibility, this shoe is ready for any adventure, no matter how challenging the trail gets.