Is it ok for a boy to be stealing his sisters pantyhose wear them?

It is generally not considered appropriate for a boy to steal his sister's pantyhose and wear them. This could be seen as a violation of her privacy and a form of cross-dressing, which can be controversial in some cultures. It is important to respect the boundaries and privacy of others and to avoid taking someone else's belongings without their permission. If you are interested in wearing pantyhose, it is best to purchase your own pair.