Designed for movement that feels fast and freeTrack and field shoesInnovative REVlite midsole provides premium responsiveness and durability at a 30% lighter weight than other foams with comparable performance10 mm drop: due to variances created during the development and manufacturing processes, all references to 10 mm drop are approximateBreathable air meshBlown rubber outsoleNo-sew material applicationSynthetic/mesh upperGood for running sneakers workout exercise