I have worn Crocs Mellow Recovery Slides for years in a size 9. Same brand. Same sizing. Same expectation of consistency. So when multiple reviews suggested sizing up for this particular model, I trusted the guidance and ordered a size 10. That was a mistake of circus-level proportions. These slides... are not "a little roomy." They are not "comfortably oversized." They are not "relaxed fit." They are at least two full sizes too large. What arrived at my door can only be described as flotation devices for my feet. I slipped them on and immediately understood how clowns feel climbing out of a tiny car. I wasn't walking — I was sloshing around inside molded foam barges. The heel overhang? Nonexistent — because there was still a full runway behind my foot. The toe box? Cavernous. My foot had so much lateral freedom it could have filed for its own ZIP code. If recovery is the goal, perhaps the intent is to recover from the emotional trauma of realizing you can't wear them outside the house without looking absurd. For context: I consistently and reliably wear a size 9 in Crocs. Every pair fits. No drama. No guesswork. But this model ignores all known laws of brand sizing continuity. The reviews that said "size up" led me directly into clown-shoe territory. If I had followed my instincts and stayed with a 9, I suspect they still would have been oversized. Walking in them requires active toe gripping just to keep them from migrating forward. That defeats the entire "recovery" concept. Post-workout relaxation shouldn't involve stabilizing exercises just to prevent footwear drift. Quality control on sizing appears nonexistent. Either the mold runs dramatically large, or the size chart is a creative writing exercise. In either case, buyers deserve accurate guidance — especially when brand loyalty is involved. The only thing that would make this embarrassing situation right is a full refund.