/ The new thick-soled canvas shoes, Dirty Shoes, are synchronized the fastest on the entire network. SMFK June new product spoilers. The out-of-print Dirty Shoes you are looking for. The out-of-print SMFK Dirty Shoes you have been looking for before. They have been upgraded and returned. The difference is that the front of the old model is slightly raised. It smells like the outsole is thicker than before, about 6CM. Size: 35-40 (40 customized items are non-refundable).