Description
Rikkar Specs
| Specification | Details |
|---|---|
| Thread Size | 28 mm |
| Compatibility | CNOC 28 mm threaded bottles and flasks |
| Construction | Plastic |
| Drinking Style | Sport cap / squeeze-to-drink |
| Sizes / Options | 28 mm |
The Sport Cap is designed for 28 mm threads, including compatible CNOC products such as the Vesica and 28 mm Vecto. It is not the same as the 42 mm cap system.
Key Features
- Fits 28 mm threaded bottles and flasks
- Easy sport-cap drinking design
- Allows quick access to water while moving
- Lightweight and simple construction
- Compatible with CNOC’s 28 mm hydration system
- Useful for hiking, running, and fastpacking
Sizing / Configuration
The CNOC Sport Cap is a 28 mm-only accessory. Choose this cap for compatible CNOC vessels using the 28 mm thread, such as the 28 mm Vesica and 28 mm Vecto.
What’s Included
- One CNOC Sport Cap
Why We Like It
The Sport Cap is a straightforward upgrade for hikers who prefer drinking from a bottle without repeatedly unscrewing a conventional cap. It keeps the hydration setup lightweight and simple while making water easier to access on the move.
The Tradeoff
The biggest limitation is compatibility: this is a 28 mm cap, so it won’t fit CNOC’s 42 mm-threaded vessels. It’s also a basic sport-cap design rather than a bite valve, so it’s best suited to users who prefer a conventional squeeze-and-drink bottle setup.
Rikkar Take
A small, inexpensive accessory that makes a 28 mm CNOC bottle more convenient for active use. We particularly like it for running, day hiking, and fastpacking where quick access to water matters and there’s no need for a full hydration-bladder system.






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