These boots seem to run true to size, if not slightly small in regards to width. I normally wear a size 10.5D, and I've found that the 10.5EE version of this boot fits me quite well. These will fit someone who normally wears a size 11.5EE, 11.5D, 11EE, and possibly someone who wears 10D, or 10EE, after putting in thick footbeds.This item is in the category "Clothing, Shoes & Accessories\Men\Men's Shoes\Boots". The seller is "brushwoodbootstore" and is located in this country: US. This item can be shipped worldwide.