NEMO Tenser All Season Review: More and less flaws are found. The ultimate air mattress continues to evolve to even greater heights
Written by Yasushi Hisatomi
![A second wave of shock has arrived from the UK on the sleeping pads. Rab's new air mattress Ultrasphere 4.5 is "highly insulating, comfortable, lightweight, and inexpensive", and is still a godly mattress that is always "buy"](https://outdoorgearzine.com/wp-content/uploads/DSC09461NR.jpg "A second wave of shock has arrived from the UK on the sleeping pads. Rab's new air mattress Ultrasphere 4.5 is "highly insulating, comfortable, lightweight, and inexpensive", and is still a godly mattress that is always "buy"")
![Rab Ionosphere 5 Review: Black ships attack the mattress world. Rab's first air mattress was the most "buy" masterpiece of the season.](https://outdoorgearzine.com/wp-content/uploads/DSC04029.jpg "Rab Ionosphere 5 Review: Black ships attack the mattress world. Rab's first air mattress was the most "buy" masterpiece of the season.")
![The "that" that was bothering you in the latest version of the Air Mat World, has finally been improved and there is no love](https://outdoorgearzine.com/wp-content/uploads/DSC01817-1.jpg "The "that" that was bothering you in the latest version of the Air Mat World, has finally been improved and there is no love")
![[A self-paying comparison review without any consideration] I tried sleeping on a closed cell type sleeping pad or mattress.](https://outdoorgearzine.com/wp-content/uploads/DSC05956.jpg "[A self-paying comparison review without any consideration] I tried sleeping on a closed cell type sleeping pad or mattress.")
![Once used, it becomes addictive with "+13cm" magic power. Therm-a-Rest "RW" size sleeping pads were unexpectedly comfortable](https://outdoorgearzine.com/wp-content/uploads/DSC00108.jpg "Once used, it becomes addictive with "+13cm" magic power. Therm-a-Rest "RW" size sleeping pads were unexpectedly comfortable")
![Winter is the time! The evolved Therm-a-Rest Neo Air series is "lightweight, warmth, and easy to use" and has more and less blind spots.](https://outdoorgearzine.com/wp-content/uploads/DSC04053-3.jpg "Winter is the time! The evolved Therm-a-Rest Neo Air series is "lightweight, warmth, and easy to use" and has more and less blind spots.")
Review: Sea to Summit Comfort Light Insulated Mat - An extremely comfortable air mat that can be used all year round
written by Outdoor Gearzine Editorial Department
