This all-new design works just like the original version - you carry your bottle in the side pockets of your pack and drink from the 43” long tube and included bite valve! The adapter fits the 28mm Smartwater bottle which has the same mouth as most of the premium water brands like Fiji, Life WTR, Essentia, as well as most of the soda bottled in the US. Because the tube goes straight through the top, you can just pull it up and down to adjust to any bottle height!

In November 2024 this system was updated with additional air vents for better flow and a more robust fit on the bottle mouth, with threads now compatible with the 28mm “eco” bottles entering the drinks market in the US.

This set includes a drinking tube and bite valve (with 3D-printed dust cover) and grey 28mm adapter assembly. There’s also a black plastic clip and velcro to help keep the tube organized. Because One Bottle is all about the entire adventure, I also include a squirt cap for you to use your bottle even when you’re not wearing your pack. You’ll love the tether!

The baseline system with no tube cover weighs 67g (2.8 oz) with all 43” of tubing - usually it gets trimmed!