This review dives into the Zenbivy Trek Sleeping System, evaluating its comfort, features, and overall value. We unpack the system's design, from its initial unboxing experience and assembly process to its performance in real-world camping conditions. We'll explore the key features that contribute to its warmth and draft-prevention capabilities, including the unique zip baffles and integrated hood. The review will also address sizing considerations, helping you determine if the 25-inch or 30-inch version is the right fit for your sleeping pad and personal preferences.Expect a detailed look at the Trek's lightweight construction, material choices (including the environmentally friendly DWR-free design), and ease of setup. We'll discuss both the pros and cons, addressing potential minor usability issues and highlighting the system's impressive comfort and warmth, even in challenging weather. Ultimately, this review aims to provide you with the information you need to decide if the Zenbivy Trek is a worthwhile investment for your backpacking or camping adventures, weighing its premium price against its exceptional performance.
Pros And Cons
- Lightweight
- Zippers instead of clips (Trek model)
- 50D pon lining with 20D nylon shell
- 700 fill power hyper dry down
- Good loft and heat retention
- DWR free
- Designed to stop drafts
- Includes a hood to keep pillows in place
- Attached to sleeping pad
- 700 fill power down may not sound like much, but it performs well
- Doesn't have a full sil foot box; has a fast foot box
- Slight draft possible when moving
Read more: Top 5 Square Camping Tables for Your Next Adventure
Unboxing and First Impressions
The Zenbivy Trek arrived not in the expected compression sack, but rather in a large mesh bag ideal for storage. This immediately hinted at a focus on comfort and packability over minimal weight.

Initial inspection revealed the quilt, mats, and cleverly designed sleeves. The system's overall construction seemed robust and well-thought-out.

The 'flappy thing' (a detail of the design that initially seemed cumbersome) required a quick adjustment; adding an extra loop could potentially improve usability.

OEX Tent Hack and System Assembly
A clever hack was demonstrated to fix a common issue with the OEX Fox tent's inner toggle, which is often too loose. This involves repositioning the inner toggle onto the outer toggle for improved stability.

Assembling the Zenbivy Trek was a straightforward process, once the sleeves and mats were correctly arranged.

The system's design promotes easy setup and efficient use of space within the tent.

Zenbivy Trek Specs and Features
The Zenbivy Trek is a lightweight system, offering a similar design to the Overland but with reduced weight. The -12°C version features 50D ripstop lining, a 20D nylon shell, and 700 fill power HyperDry down.

Key features include zip baffles to attach the system to the sleeping pad, and a fast-foot box that can be unzipped for ventilation.

The Trek is DWR-free (Durable Water Repellent), making it more environmentally friendly. It is designed to stop drafts, with zips and baffles strategically placed under the sleeping area.
Size, Fit, and Compatibility
The reviewer used the 25-inch wide version, which fits their Big Agnes Rapid XL sleeping pad perfectly. Larger pads might require the 30-inch version.

The system is designed for a snug fit, providing warmth and comfort. The size may be less suitable for smaller individuals, who might prefer more space.

Consider your sleeping pad size and personal preferences when choosing between the 25-inch and 30-inch versions.
Overall Review and Conclusion
After a night's use, the Zenbivy Trek received overwhelmingly positive feedback for comfort and warmth. The reviewer slept soundly despite windy conditions.

The system's design effectively prevents drafts, enhancing warmth retention. Features like the integrated hood and attachable design contribute to the overall user experience.
The Zenbivy Trek is a high-quality sleeping system that delivers on its promises of warmth, comfort, and convenience. It's a worthwhile investment for those prioritizing a quality sleep experience while camping, despite the potential stock scarcity and higher price.
