Your Ultimate Guide to Cool-Girl Style + a COS Giveaway!

The exact qualities of a cool girl can be hard to define, but after years of studying the best street style sites and bloggers, we can confidently say we’ve zeroed in on their signature styling tricks. From mastering the perfect shirt-tucking technique to the most effortless way to carry your bag, read on for eight tips totally worth cribbing. Just in case you need a little extra convincing to adopt their stylish ways, we’re also giving away a gift card to COS (the global brand beloved by cool girls everywhere) in honor of the store’s brand new Beverly Hills location opening tomorrow.