Cool backpacks for uni :))

helloo, i am trying to find a very cool bag pack for uni in singapore hehe. I was so confused whether to choose totes or backpack but finally i hv come to a conclusion to choose backpacks but COOL. Please recommend me some cool IT GIRL backpacks for a uni freshy and can handle space too :). i need it to hold my whole life in there along with my essentials.
THANKU