A lot of the line cooks and chefs I've worked with and respected wear crocks to work everyday. They make really good kitchen shoes, non-slip, comfortable enough to be on your feet for 14 hours straight, good ventilation to keep you cool. Yeah, a lot of dipshits wear them and they aren't appropriate in a lot of situations, but there is nothing intrinsically wrong with the footwear. Aside from that, if you dont like the fact that another man is wearing them around you, just go up to him and compliment him on his crocs. Look at his crocs really long and hard, and ask him how long he has been wearing them for. Ask him what sort of activities he likes to do in crocs, and comment on how those are really physical activities, he sure must be sweating in those crocs a lot. Tell him that you could use a pair like that, and offer to buy the crocs off of him. If he tries to tell you where to get a pair, tell him you don't need a new pair, but a pair of his used crocs would do nicely in your collection. If he refuses to sell them, ask I you can at least take a picture, or offer to clean his crocs for him, he just has to let you take them home with you the one time, and afterwards you will give him back the crocs and they will be so clean, because right now they look soooo dirty, like they must smell, hey why don't you take them off right now and I can check how much they smell, oh god please just one sniff, I will give them back afterwards, I can boil them clean and drink the water afterwards please just let me have your crocs