You will see in the video the new bright green gecko color vs. the old olive colored Trail Pro version. Main pros/cons described in the video:

-Old version bigger, up top (head area) or below (feet area), for xl sized campers/hikers better all around space and size
-New version has no foam in front of the air plug, allows better air flow when blowing it up and pushing it out, but this is also the main disadvantage, there is no foam in the full surrounding edge of the mat.
-So main con of new version, with no foam in the surrounding edge, the "width of isolation" is indeed much smaller than the 62cm width (25 inches) specified, one is missing at least 3 to 4 cm foam per side (1 1/2 inches per side) due to the smaller foam core inside. This can be an important isolation loss on the sides for bigger campers/hikers in cold conditions. Themarest does not seem to mind and prefers weight shavings.
-New version logically lighter

My preference is for the old version for xl sized campers, for short range / mid range hikers concerning the weight of the mat. The new version is better for fit-shaped hikers for medium range hikes. Fit-shaped long range hikers will buy ultra light pure air mats with different shielding / isolation to save weight, most certainly.

For me the trail pro is a good allrounder for small range hiking and especially winter vacations (R value around 4) with snow on the tent. In winter we usually put a Thermarest Ridgerest underneath, to add comfort (another 2cm thickness) and to bump up the R value even further.

Old version 1293 Gramms in bag, bag 26 Gramms, is lighter than new bag
New Version 951 Gramms in bag, bag is 39 Gramms

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