Here’s the hard data and size comparison pictures to accompany the outdoor sleeping pad comparison. Hopefully, this gives you a substantial ability to compare the pads and draw your own conclusions.
From top to bottom (thinnest to thickest): Klymit Inertia O-Zone, Therm-A-Rest Trail Lite, Sea to Summit Ultralight, Sea to Summit Comfort Plus, Klymit Static V Luxe, Exped Symat Hyperlite (now not holding much air), REI Flash, Therm-A-Rest NeoAir XLite (same thickness and design as XTherm), Therm-A-Rest NeoAir All-Season, Nemo Astro Insulated Lite 20R, Nemo Cosmo 25L, Exped Synmat UL 7, Exped Synmat 7, Big Agnes Insulated Air Core, Big Agnes Double Z, Big Agnes Insulated Q-Core SL, Therm-A-Rest NeoAir Dream, Exped Comfort Megamat 10. Puppy for size/abuse testing.
Here’s the raw data from the actual worksheet we built this test with.
This is a packed size comparison. Top row (left to right): Therm-A-Rest NeoAir Dream, Exped Comfort Megamat 10. Middle row: Big Agnes Q-Core SL, Big Agnes Insulated Air Core, Klymit Static V Luxe, Big Agnes Double Z, Therm-A-Rest NeoAir All-Season, Therm-A-Rest Trail Lite, Nemo Cosmo 25L, Exped Synmat 7. Bottom row: Tub of almond butter (for size), Exped Synmat Hyperlite, Sea to Summit Ultralight, Klymit Inertia O-Zone, Therm-A-Rest NeoAir XLite (and XTherm), REI Flash, Nemo Astro Insulate Lite 20R, Exped Synmat 7 UL, Sea to Summit Comfort Plus.