I can tell you what not to buy - this seat... will be much too narrow for you and the seat frame (thin wall tubular steel) just broke after about 1 months of light use... working with the vendor now to try and get a replacement as I'm about a week past the return cutoff.
:-(
https://www.amazon.com/gp/product/B09QRW7MSH/ref=ppx\_yo\_dt\_b\_asin\_title\_o07\_s00?ie=UTF8&psc=1