Hard to believe this is Oana the day after going to a Beyoncé concert and getting only a few hours sleep the night before. A math student at UC Berkeley, her style is simple — classic colors and cuts, a few unique details here and there.

“My number one thing is comfort,” Oana told Go Girl. “I like things to be easy. There aren’t that many women in the math department. I tend to dress us a little bit more than is typical for my major.”

Sweater & Coat: H&M
Pants: Gap
Shoes: Qupid
Bag: BCBGeneration

$5 off