ProGrid Omni has always been a solid shoe. For the past several versions, it has offered a rectangular shape and significant anti-pronation control — including a firm medial midsole, firm heel counter, and torsional stability.
Version 11, however, has reduced pronation control due to increased midsole cushioning (thickness) and less torsional stability.
This makes for a comfortable shoe with a trade-off in less durability and faster wear. In addition to the change from support to cushioning, the upper has also changed from a more fitted style to a more boxy style with a deeper toe-box. For some runners, this may predispose them to a less secure fit than previous models as the following field research shows.
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