It can also be tightened anytime necessary. Cons: Tiles are too big for taping or glueing to something like a remote control. I would not pay $300 but these are worth it if the price point is under $200 Almost umwearable but hopefully theyll expand. 5 or 6, but a 6 in these shoes is more like a UK 7. and its WAY too big. They are incredibly comfortable and have the support that most of my shoes lack. The elastic ballet straps are comfortable and do not cause irritation even after hours of wear. I wish they could fit bigger sized seasoning containers, but over all theyre definitely worth getting! These Birks were a little stiff at first (4 days) but conformed to my feet and my walking style quickly.