We are in the midst of summer and these "shoes" are EVERYWHERE.
FlipSide Flip-Flops literally make an impression at the beach. The shoes' soles can be personalized with various characters and symbols that allow the wearer to leave messages behind in the sand.
The Fat Monkey outdoor art installation by Florentijn Hofman.
Summer's almost over, but you can still get a pair of used Rainbow flip-flops on eBay -- conveniently worn in for those who just hate having to break in new sandals.
Krispy Kreme designed the world's first grass flip flops to relax city workers by giving them their own mini-park to walk around in.