When shopping for that summer wardrobe, be sure to take note of the model's hairstyles as well! For instance, this Madewell lookbook features the latest styles for the heat plus easy breezy summer hair for 2015. Let's take a closer look.Many summer hairstyles evoke a sense of carefree days spent frolicking in the sun. They are tousled and messy without looking unkempt. It's all about ... Get the hairstyle!