This response is for Feivel (and his ilk).
I have been wearing various colors of denim jeans for most of my life, which based on your title – Talmid – means that Ive been working longer than you are on this earth. I honestly don’t care about your personal opinion about jeans, and as does gavra, I spit on your royal blood. I challenge you to bring me the following halachic sources:
1. proof that jeans are not permitted.
2. proof that one may only wear white shirts and black pants at all times (as Im sure you do). While You’re at it, bring me proof why one must wear a hat at all times (I understand davening, bentching, etc).
Trust me, I went to yeshiva just like you, i keep shabbos and kashrus just like you. the major difference is that I dont possess your unbelievable arrogance. You should be aware that back before you graced the world with your presence, most people wore colored shirts during the week, even rabbonim.
You may be a tremendous talmid chochom, but remember, derech eretz kadma letorah. Learn some modesty.