My kind of Sizing Guide. Hope it helps. These are the sizes I wear Redwing Iron Ranger - 7.5, Merrell - 9 in Intercept, 8.5 in Moab, Saucony - 9, Nike -
Chaco Size Chart & Fit Guide + Do Chacos Run Big or Small?
What size am I? : r/Chacos
The Ultimate Guide to Chaco Size Charts for the Perfect Fit - Hood MWR
Chaco Men's Odyssey Print Sport Sandal: Amazon.co.uk: Fashion
The Ultimate Guide to Chaco Size Charts for the Perfect Fit - Hood MWR