Xero Shoes Z-Trek Women's SZ 10 Lightweight Packable Sport Sandal Porcelain Blue The comfort of a sport sandal upper, the lightweight, barely-there feel of a packable travel sandal. This combo lets the Z-Trek do it all. Runs about 1/2 Size large. It’s easy to find the right Xero Sandal size for you. The Z-Trek fits large and we recommend a snug fit, so…Buy the Z-Trek in your usual US size, or go one size smaller ***Condition: They appear to be new and never worn. If you go to the website, there is a printable size template for your correct fit. I do not accept returns. Thank you. I ship daily!!!