Overpronators, rejoice! The Mizuno Wave Inspire 13 is an updated version in the series that offers lightweight support and cushioning. With an optimized upper and a re-designed, improved mesh construction, the Wave Inspire 13 offers increased breathability and flexibility while staying true to its roots. Optimized upper offers support and is lightweight Improved mesh for breathability Blown rubber for durability U4ic midsole ensures more ground contact Ramp 12mm.