Changes

* {{H:flexibility}}. The PureCadence is nicely flexible due to the midsole groves and the gaps in the outsole.

* {{H:outsole}}. The hard rubber outsole covers the contact areas of the shoe, which improves longevity and grip, but adds to the weight. As you can see from the pictures, the outsole is in patches, which helps keep the shoe lighter and more flexible. This is because the harder rubber of an outsole is quite inflexible, so a continuous layer is not only heavier, but less flexible as well. The outsole rubber used here is a nice combination of hard wearing and grippy, and is fairly thick. Of course this is also the Achilles' heel of the shoe, as the outsole is probably part of the reason the shoe is quite heavy when compared with the [[Hoka Clifton]], or [[Saucony Virrata]].

* {{H:upper}}. The upper is inflexible and a little more complex than I'd like, with a few seams. The seams did not cause me any problems, but I think they could be an issue for some runners. The ankle opening is well padded, but the rest is thin and breathes reasonably well. The PureCadence has Brooks' "Nav Band" which is an elasticated band over the middle of the shoe, going from where the upper meets the arch of the foot, over the top and down to the outside edge of the midsole. This elasticated band is intended to keep the shoe secure, but it just puts extra pressure on the top of the foot. I didn't like this band at all, but it's easy to cut it open where it crosses the tongue. Overall the shoe is slightly less comfortable than average.

* {{H:tongue}}. The PureCadence has a tongue that is attached to the inside of the upper, with the outside free, a combination that I like. This is sometimes called a "burrito-wrapper tongue". It keeps the tongue in place without the problems of a sock style upper. The tongue has a slight degree of soft padding which should be enough for most runners.