Are Backpacks Cool Again?

This market tote is one of my top contenders- find it here.  

Okay, I have to make a confession- I've never had a diaper bag.  I hate them and think they're ugly.  Sorry! I've always just put my baby stuff in my purse and never had any issues.  But now summer is here, and Ophelia is like this big kid with needs and wants and apparently we have to pack up our entire house in order to go to the park. I'm talking sun hats, sunscreen, a ball or two, chalk, sand toys, bug spray... and of course snack options.  And it would be nice to not feel like Mary Poppins rummaging around in my bag like I did at the park this morning.  SO I think a backpack is our next step- now to find a cute one!  I've narrowed down my options to one of these below- any thoughts?

Woven backpack// Leather backpack// Canvas pink backpack (one of my favorites!)

Water resistant backpack (comes in ELEVEN other colors!)// Black backpack// Grey(only $26!)

Canvas backpack (looove! Only $39!)// Leather backpack// Longchamp backpack

Pink leather backpack// Grey backpack// Canvas with dip dye backpack (comes in 2 other prints)