A lot of people have issues with wearing leggings as pants and I don't blame them. Almost every day I see a pair of leggings gone bad; A pair that are see-through (thong alert) or ripped in the wrong places. However, when worn right they can create some interesting proportions in an outfit and can serve as a comfortable and more stylish alternative to sweatpants.
Leggings have become a common dresser drawer item, some more closeted then others. Odds are if you own a pair of Uggs or big headphones, you own a pair of leggings.
If you do leggings, check out this brilliant and "I thought of it, why didn't I do it!" product: