First of all, this is the fifth pair of KEEN sneakers that I have bought. I also have Austin shoes in black. To be honest, I don't remember how many years ago I bought it. I knew what size to order because their sizes are very consistent. Keen are the most comfortable shoes (and work boots) I've ever worn. They are made with extra toe room so I don't have to buy a size up. I found I could only wear them comfortably for a few hours. This is a bit of a misnomer because I suffer from diabetic myopathy and wearing 'a couple of hours' shoes is actually amazing! I can't stand anything else for very long without pain in my legs. Comfort and quality are my top priorities. My doctor told me if you try on a new shoe and it doesn't feel comfortable to begin with, don't buy it! They won't stretch, you won't grow into them, you don't need to break them in, they should feel like you could wear them all day when you first try them on. KEEN shoes just fit me like that. they rock!