I got these 9.5 because my Redwings are 9.5. My foot is exactly 11 inches and I go off that. Work boots have always ran too big for me so I’ve always gotten Thorogood and Redwings in 9.5. The kujo boots 9.5 ran too small so I exchanged them for 10.5. I’ve also added the Thorogood shock insole which makes them that much more comfortable. These are the best boots for yard maintenance and landscaping. Every now and then I’d get some debris in my boots, but the durability, lightweight, and comfort is beyond that 1 con. I don’t see myself wearing another work boot. Only if Kujo can somehow make the X1 better. Definitely recommend!