Conquer any surface with the Aero Blaze 4 Gravel GORE-TEX. A running shoe that takes you from road to gravel in all conditions, confidently. Featuring a Gravel ContaGRIP® outsole for optimal traction over any terrain and an optiFOAM² midsole for a smooth, responsive ride. Waterproof yet breathable. Seize the moment, explore any playground.