Saucony Kinvara 8
I have now run about 20 miles in the upcoming Kinvara 8, all on a fairly firm indoor track at slower tempo paces,
This is a very good update solving some of the issues of the Kinvara 7 (RTR review here): overly snug mid foot hold and stiffness. It can be called a smart step back towards the original Kinvaras without going all the way back to their super flexible, largely unstructured upper, and soft ride.
At the midfoot, the Pro-Lock straps hold the foot down just right, no longer "in the way" and overly constraining but still there functioning more like Saucony's IOS Fit,
The upper is a single material, soft mesh with melted on Pro-Film overlays. It should be very breathable.
The ride is very good, responsive, decently firm but not harsh. stable and smooth. The Kinvara 7 was stiff and stayed stiff while the Kinvara 8 after 10 miles was flexible, far more agile feeling.
The Kinvara 8 so far represents a blend of the Kinvara 7's snug mid-foot support, now dialed down and more comfortable, along with the more flexible accommodating front of the shoe of the earlier Kinvara.
Kinvara 8 Stats
My pair of Kinvara 8, size 9 men's weighs 7.8 oz/221 g, exactly the same as the listed weight of the Kinvara 7. Stack is 23mm heel/19 mm toe, 4mm drop so about the same as its predecessor. Retail is $110. On sale 3/1/17 (will confirm release date as it may be sooner).
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