Croc-Burn
This unfortunate burn looks more like an awful skin condition. They probably didn't think the sun would burn right through the holes in the shoes, but it most certainly did. This person won't be wearing shoes for a long time.
Inverted Farmer's Tan
At least the burn didn't get his entire body, right? He most definitely fell asleep on the beach and his friends weren't nice enough to wake him up. That's the most painful-looking burn so far.