My son has a few small blotches of a red rash on the tops of his feet, that seem to flare up just after tennis practice. Also, when he was younger, he temporarily wore a wrist watch with a leather band. After a couple of weeks, he had a red rash around his wrist. This week he was examined by a dermatologist, who diagnosed that he is allergic to leather, or the chemicals used to process leather. I guess this means no more Prince T10s. My question is, has anyone else experienced this? If so, have you found a replacement shoe, without leather, equally supportive, that does not cause a rash? I would like to stay with Prince since that is his sponsor, but health comes first. Thanks for any suggestions, Prince or otherwise.