During a workshop, I dripped super glue on them. (Photo 4) It's in a subtle spot, and you can barely see it when they're being worn, so I've just let her wear them. The seat and knees are in good condition, I think. I bought them at Aeon. My daughter was wearing them, and she said a boy in her class was wearing the same ones... I think it was something similar... but are they for boys??