Horween Natural Chromexcel
Rancourt & Co.
Read Boat Shoe
800 Last
US Men's Brannock: 11.5D
800 Last: 11.5E
In my experience with Rancourt the Boat Shoes run true to Brannock size in length however the toe box is narrow. I recommend your sneaker size or Brannock size but up one width(which is what I did).
Rancourt & Co.