Don't let any obstacle stop you with this reliable trail shoe! Midsole The midsole is made of ReactX foam. Compared to Nike React foam, ReactX is designed to reduce the carbon footprint of a pair of midsoles by at least 43% due to the reduced energy in the manufacturing process, and to increase energy efficiency by 13%. Upper Flywire technology replaces laces with high-tensile wires that act like suspension bridge cables and provide precise support. Outsole The rubber outsole features Nike's iconic waffle pattern. This contains honeycomb studs that provide grip on both dry and wet surfaces. When you hit the trail, good grip is essential. The rubber studs provide excellent grip on the varying surfaces you encounter. Complete your trail experience with the Nike Pegasus Trail 5 trail shoe!