<ul> <li>synthetic-and-mesh</li> <li>Lightweight Flyknit fabric wraps your foot like a sock for strong support. In lieu of laces, an adjustable toggle pull locks your foot in place.</li> <li>In the heel, Nike Zoom Air cushioning provides lightweight responsiveness for explosive first steps and soft landings. Soft Lunarlon foam from toe to heel adds another layer of responsive cushioning.</li> <li>The rubber sole features a micro-tread pattern that grips the ground hard when you change direction fast.</li> <li>Mesh inner sleeve for snug, breathable support Flex grooves in the forefoot let your foot flex naturally</li> </ul>