What’s your US shoe size? I looked at their size chart. I don’t normally think of a 43 as a US size 10. I normally wear a 9 and I have cycling shoes that are 43 that are too small. Might be interested, but …
I had this shoe in this size and it fit me perfectly: I wear a 43 sidi and am usually a 9.5 in most non cycling shoes. The 43.5 fit but didn’t have that close, athletic fit that good equipment like this should have.