u/Empty-Director

I wasn't able to find a shop with a brannock device where I live. My foot length is 270mm & width is 102mm. I have a pair of Thursday Captain in 40.5EU/7.5US but they are tight especially in the toes. My New Balance sneakers size is 42EU.

Should I go with 8 or 8.5 for the Classic Paratroop?