I purchased this shoe in a retail store a couple of weeks early for my trip to Las Vegas. Anyone that has ever been there knows of the walking that you must do. I got a pair that was a half size smaller. They didn't have my size and I almost walked away but was getting desperate and tired of looking. I decided to try on the pair that was a half size smaller and it felt so good, looked good too. I wore the pair around the house for the first day in case I needed to take them back.  They felt so good that I took off shopping to a mall and was amazed by the feel. I have terrible aching feet and in my 60's so I don't have much padding for my feet. My arch has fallen and I have a real tightness in my feet at the end of the day. So on my trip to Vegas I took one pair of shoes in my suitcase.. a little more dress pair in black and wore my E S Treasured on my feet.  It made Atlanta and the whole trip of about 5 mi. a day in Vegas.  I was so pleased that I got my mom a pair that she loves and another color for me.  Now I am ordering 2 other colors and another of the original color that I wear the most. I'm sure that the half size larger would be fine but I'm sticking with the size I got since I'm ordering online this time.