Considering high heels have nothing to do with the urinary system, I don't see why not.
Unless you're wearing them wrong (hint - they go on the feet).
I'd imagine they would make your legs a bit "higher" when you're doing your business, but it shouldn't affect your ability to urinate (they may affect your "aim" if they are very, very high heels).
If your heels do, somehow, interfere with your ability to urinate, simply take them off until you are done.
However if you're asking about urinating into someone else's actual shoes, I'd advise against it. You could get in trouble with the law (there is DNA in urine).
If you're asking about urinating into your own actual shoes, well, a little (very) abnormal but, each to their own, I suppose.
A female wearing high heels: The knees would be higher when sitting on the toilet. If a guy is wearing high heels: Same problem with knees if he sits. No problem if he stands, which most males do to just urinate. Whether male or female, the "aim" is still "down".
There are several types of high heels shoes: Stiletto heels; Kitten heels: Cone heels: Prism heels: Spool heels: Wedge heels
It depends what heels you mean, high heels, or actuall heels on the back of your feet? If you mean high heels, try some high street stores lots of shops have them :)
women in high heels and skirts because its easy access and the high heels are a turn on if you keep them on ;] high heels and skirts!
High Heels
high
High Heels - film - was created in 1991.
Hooked on High Heels was created in 1985.
Hell on High Heels was created in 2000.
Death in High Heels was created in 1947.
red high heels
The duration of Satan in High Heels is 1.48 hours.
depends if it is skinny high heels or fat high heels