Rambler 18oz Bottle With Hotshot Cap in BlackThe Yeti Rambler 18oz Bottle With Hotshot Cap in Black. When youre out for hours on end, you need a vessel that can hold more than its fair share. With the Rambler 18oz Bottle you have the answer to your on the go hot drink needs. Fill it up with piping hot coffee when you're pulling a double or have plenty of tea for that extra long commute. And to top it all off, this supremely insulated bottle is paired with the 360 degree HotShot Cap. Designed