Packing the softest ride in Karhu's lineup, the new women's Synchron delivers easy steps mile after mile. Karhu achieved the soft feel by using its AeroFoam Nova midsole. The premium cushioning eases your landings and rolls you through a smooth transition that keeps you moving forward. Designers updated the internal Fulcrum unit to make the new Synchron more flexible than before, but it still provides a stable ride. Karhu topped the Synchron with a new mesh upper, too. The adjusted upper fits a
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