You might try the Lake 403s in extra wide. Lake makes some Bont’s. You can tell by the tub of the shoe.
I have some 403s. I like then except I’d prefer a little more height in the shoe in the arch area. I’ve got really high arches.
FWIW I’ve tested both in the field and wind tunnel multiple Bont Zero’s. They tend to be very unaero. YMMV although it hasn’t for anyone yet.
If you like a flat shoe with minimal arch support go with the bonts and buy your own insole.
If you like some toe drop in a shoe with more arch support, go with the Lakes.
I have both. Both are great shoes but I prefer Bonts. They fit my normal width/flat feet very well and the one boa is all that’s needed. The Lake’s, with the thinnest, flatest insole I had laying around from some old Newtons, make my arches cramp laterally sometimes.
Probably not the most “aero” shoe from videos I have seen testing different shoes but they definitely “look” aero. So at least you have that. 
Thanks to both of you. I may not like the bont’s with the bathtub shape, I think what my feet want is some room to splay, and the bont may not allow that. The arch situation would probably rule them out for me too. I have tried out the bont tri shoe, in the non wide version, and I didn’t like it, but I can’t remember why now, other than I also didn’t like the tri shoe nature of it.
I also saw Alex Dowset’s video from this year where the bont zero was slow in the wind tunnel. I need fit first over aero haha. I guess I have to talk to lake again. My first pair from them was ultimately the MX237 which they told me was their highest volume shoe. I went up a whole size from their foot length which at the time fit comfortably, even with winter socks. Not anymore though
I have Bont+ and find them very comfy. I would say they have shallow toe box thou