Gear Review: Klymit Inertia O Zone

Disclaimer: The following product was donated by Klymit for review purposes.  All reviews on, however, reflect the absolute objective opinion of the reviewer.

Sleeping on the ground is no fun.  A sleeping bag makes it better, but a sleeping pad takes comfort to a whole new level.

Last week, I had the opportunity to use a Klymit Inertia O Zone sleeping pad on my camping trip to the Grayson Highlands in southwest Virginia.  My opinion of this product is below.


  • Inflatable – This was my first time using an inflatable sleeping pad.  The Inertia O Zone was easy to setup and roll back into the stuff sack.
  • Body Mapping – Klymit uses body mapping in their designs, allowing the pad to be similar to the human anatomy.  Certain parts of the fabric are removed, which I thought gave it a mattress-like feel when I was sleeping on my back.
  • Dimensions – I’m tall, so I appreciated the dimensions of the Inertia O Zone, 72 x 21.5 x 1.75 inches.  There is almost nothing worse than being too long for a sleeping pad.
  • Pillow – Part of the makeup of the Inertia O Zone is an inflatable pillow.  Never having camped with a pillow before, I wasn’t sure what to expect.  I’m happy to say I thought this felt similar to an actual pillow and was large enough for my head.
  • Weight – At 13.2 oz, this sleeping pad is lightweight, an added benefit for backpacking trips.


  • Movement – When I woke in the morning, half my body was off the sleeping pad, which seemed to move easily from under me during the night.
  • Side-sleeping – I sleep on my side a lot and when doing so, I could feel the ground directly on my hips due to the lack of fabric, which was uncomfortable.

Final Verdict

Overall, the specific design of the Inertia O Zone was not conducive to the way I sleep.  While I would probably not use it for a long-distance backpacking trip, I would consider using it again for shorter trips due to its lightweight, how easy it is to setup and put away, and the comfortability of the pillow.

Although I wouldn’t recommend this pad to people who sleep on their sides, the Klymit Inertia O Zone is a good option for those who sleep on their backs.


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