Nike Pegasus Trail 4 GORE-TEX Sneakers Sz 9.5 Gentle Use The Pegasus Trail 5 provides wet-weather protection for trail running. A waterproof GORE-TEX upper, an all-terrain outsole and reflective details help you comfortably take on the elements. With a ReactX foam midsole, it gives you responsive cushioning for an energized ride. GORE-TEX Upper A waterproof GORE-TEX upper and 3-D print toe cap help keep water out so your feet stay dry. Responsive Ride Springy ReactX foam midsole gives you lightweight energy return. It's 13% more responsive than previous React technology.