Nalgene just announced their newest water bottle design which features a leak-proof loop-top cap that swings open for a quick drink. The 24 ounce On the Fly bottle has a contoured high-flow drinking spout, and fits into standard cup holders. its push button can be toggled with one hand for easy spout opening, and a locking bail prevents leaks during transport.
The OTF caps are 63mm wide and fit on Nalgene’s other wide-mouth bottles. The bottles are made in the USA and the closures in China.
Product Details & Purchasing Options via Nalgene Outdoor