@KCB thanks for reaching out to us with this fit question! Unfortunately, it may difficult for our employees to provide first-hand advice about the fit of this specific shoe, because it is not an item we stock in our stores and therefore our employees have likely not had a chance to try it on. In general, Adidas shoes do tend to run true to size - if possible, because you are between sizes, it might make sense to order both the 10.5 and 11, knowing you can always return the one that doesn't fit. If you live by an REI store, it might be convenient to ship both pairs for free to the store, then you're already there to try them on and process the return. Hope this helps!
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