I will choose US 9=Eur size 40;if your foot a little wide. Pls choose the bigger one size, thanks. How to accurately measure your foot length. Within 5-7 work days after you making the order. If the standard size don't fit you well, please give us your measurement as follow photo, will custom for you.But please note that cause this boots is specialy customized according to your measurement. If any question please contact the customer service before making the order. This item is in the category "Clothing, Shoes & Accessories\Women\Women's Shoes\Boots". The seller is "factory*store" and is located in this country: CN. This item can be shipped worldwide.