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I have stupid flippers - i'm off the charts width wise for bont, tried the lake CX176 wide with no joy. Have accepted that i need to go to the 238 wide's (wider last). Just a heads up that Richard at SaltDog https://www.saltdogcycling.com/ seems to be absolutely the man to go to for advice on lake. He's worked out his own measuring tool and seems to understand all the last / shoe variations.
If your feet are very wide then you're likely to be looking at Bont or Lake. If you're just a bit wider than normal (I hear Giro empires are very narrow) then things like Shimano and Specialized are meant to be good.
Well worth trying a few brands out via bike shops/friends/buying cheap used pairs and then selling them on if you think you might have difficult feet to find the right fit for.