What part of your feet don't fit in the Nikes? They're notoriously narrow, for one thing, but only you can tell if that's the problem.

If you give us an idea of the shape of your feet maybe we can help.

If you need super wide shoes, see if you can find a pair of EE width men's Lake - the heels are still narrow enough to be manageable for a typical woman's foot. If you're in the USA, they no longer have a distributor here, but you might be able to find a pair on departmentofgoods.com or elsewhere online while they last.