Designed to make hydration exciting, Cirkul offers a unique twist (quite literally) on plain water. These BPA-free, eco-friendly water bottles come with replaceable flavor cartridges, allowing you ...

Garrett Waggoner and Andy Gay came up with their idea for flavored-water startup Cirkul as Dartmouth football teammates — and ...

While racing around town and raving about the brand's 100+ flavor options ... range of water bottles that integrate seamlessly with its novel and patented technology, the Cirkul Sip® cartridge ...