Now Shop girls’ beanies, cowboy hats, baseball caps, fedora, and much more online at competitive prices. Graham Zimmerman, Quinn Mason, Megan Banker, etc., are proud brand ambassadors of the fashion brand Outdoor Research. Outdoor Research is a reputed name in the US for its agglomeration of top-class mountaineering and sporting apparel. Guranteed to be your new favorite Hats & Caps, Outdoor Research is offering Girls Hats & Caps in variety of colors, like: Sky Blue, Purple, Pink, Gray, Blue and Beige.