I got a pair of Leaderfins and they were too big. Rather than send them back for a smaller size, and pay two way overseas shipping, it was less expensive to just order a new set of footpockets. Once they arrived I was able to swap them out in less than 5 minutes. Bonus, the olde footposckes rif over a pair of light booties, so I could swap them out if I wanted to dive in colder water (unlikely but it's an option)