Don't let any obstacle stop you with this reliable trail shoe! Midsole The midsole of this shoe is made of ReactX foam. ReactX is a light, firm foam for a smooth, responsive experience with much less impact. With 13% more energy return and 43% less carbon emissions than regular React foam. Upper Instead of laces, the shoe features Flywire technology, made from high-tensile wires used in suspension bridges and providing ultimate precision support. Outsole Nike's iconic waffle pattern can be found in the rubber outsole. This has short studs in the shape of a honeycomb. This pattern provides grip on both dry and wet surfaces. It is important to have a good grip with every step you take. The rubber stud profile ensures this. These rubber studs provide good traction on the different surfaces you encounter on the trail. Hit the road with the Nike Pegasus Trail 5 and discover new trail routes!