H Last: 9.5HUS Men's Brannock: 10.5E HTB/10 HTT
Chatted with RMW support, who gave me a pair of 9H (black yearling) that has broken in, but fit pretty snug. So I got these in a 9.5 (10.5 US). I’m just a touch over a 10 H2T on Brannock, and an E width. These fit much more comfortably than the 9H.