I'm switching from Asics to NB and I took a risk getting the same size :) no. I'm an Asics size 10.5 and had an inch of space on these NBs. Return on 9. will update rating after good use.
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Pros
A lightweight. Width is the most important thing for me. I use them for running and they are great.
Cons
Looks like a good shoe, but this shoe was made too small. I ordered size 13 and my foot barely fits in the shoes!