The customer service I received was exceptional, the effort staff went through the to help me get my new order was greately appreciated. The shoes I ordered were adidas zx flux, I already have two other pairs in size 6, so I never thought twice about ordering these in a 6 also, and when the shoes came, I could barely walk in them, they were the tightest fitting, felt as if though my toes were going to rip through the top of the shoe. I didn't know what to do in this situation because I assumed I could not return the shoes after trying to wear them, in the hopes of trying to break them in. However I will never be able to go through the pain of wearing them again and it's a shame since they cost a lot of money and I am not happy