The Atlantis Blue/Princess Pink color is a Zappos exclusive! Who's that cool kid in those lightweight Jefferson classics? Fun two-tone design. EVA upper, lining, and sole are comfortable and lightweight so that you can run, jump, and play. Slip-on style for easy on and off. The Atlantis Blue/Princess Pink color is a Zappos exclusive! Who's that cool kid in those lightweight Jefferson classics? Fun two-tone design. EVA upper, lining, and sole are comfortable and lightweight so that you can run, jump, and play. Slip-on style for easy on and off. Perforations control temperature and let feet breathe. Odor resistant so feet don't get smelly. Vegan friendly.