The Finer Details A GORE-TEX layer helps keep out water so your feet stay dry. The all-new gaiter at the collar is higher to help keep extra debris and water from getting inside your shoe. GORE-TEX's invisible fit along the upper provides protection from precipitation without sacrificing that comfortable feel of the Peg Trail. Its flexible, lightweight design keeps your foot dry when running between the wet roads and trails. Nike React technology is a lightweight, durable foam that delivers a smooth, responsive ride. Its full-length design provides stability as you brave rocky terrain. Less rubber along the outsole creates a smoother transition from road to trail. The rubber wraps around the front of the shoe for extra durability. Its generative traction pattern combined with rubber nubs gives you grip when going uphill or downhill. A generative traction pattern combined with rubber provides extra grip for technical trails while maintaining a smooth ride for the road. Nike Womens React Pegasus Trail 4 Goretex