For the ppls out there who actually have tried the regular 3E Yonex shoes and 4E, how significant is the difference? 3E is usually already a wide shoe but not for Yonex which carries 3E as its regular fit so it's hard to determine how much wider 4E are without actually being able to try them here. Also how is the wider design made? Throughout the whole shoe or the top part only like Mizuno wide (which are 3E...) so confusing -_-