Originally Posted by acavengo

If you are wearing light colored pants, it is really bad, though admittedly I sweat very easily. Dark colors work better, but the best move is the one onetwentyeight suggested, bring an extra pair or leave some at work. I leave about 3 pairs of jeans at work (very casual job) and I also bring in extra shirts/underwear on Mondays and take the previous weeks stuff home that night. That way I can travel light (no bag, no panniers, nothing but a saddle bag) 4 out of 5 days.