Product Details + DESIGN:Mechanical stretch woven upper is constructed for the optimal amount of stretch and breathabilityRapid Roll technology combined with the carbon fiber plate is constructed to help propel you forwardIN-SHOE COMFORT:Updated nitrogen-infused DNA Flash midsole balances its ultra-lightweight material with energy return and durabilityADDITIONAL DETAILS:Shoe Type: NeutralMidsole Drop: 8 mmWeight: 7.6 oz