The All Out ride is a big contrast to the Lunar Epic Flyknit's soft pillowy feel and easier flex. Part of this perception may come from the efficiency of the platform: its firm effective cushion and rapid snappy energy return and part from the fact the Zoom Air dampens vibration and shock so completely without creating a pillow effect. Pace is always faster than expected and heart rate lower for the perceived effort. There is plenty of firm road feel with minimal shock transmitted. The All Out is an unusual ride that is for sure. Over about 40 miles the flex has gotten easier so patience and some miles is advised. I assume under load it is flexing and then returning energy at toe off but in a way that is not disconnected from an overall sense of a continuous smooth transition so it must happen fast very fast in the gait cycle. I only discovered it after flexing the shoe hard, very hard and low and behold there was a distinct spring like snap to the flex. Then I discovered something.The All Out has a single flex point near the last lace hole.

Out I went and no issues at all with the stiffness beyond a bit of toe soreness in the first miles. I personally would not take them on trails as the disconnect between soft relatively unstructured upper and firm stiff under carriage could lead to ankle and especially front of the foot twisting as the upper foot rotates with no give below.Īt first I thought no way a shoe this stiff will be possible to comfortably run. The stability is impeccable from heel to toe on the road. The ride is definitely on the firm side but strangely shock and vibration free.

It provides a consistent underfoot feel from heel to toe. The Bottom Line to all the Benefits and Product Details is the 3/4 visible Zoom Air unit.

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