Spore Covered Sleeves are 6ac, so these are also better than Spore Covered in terms of ac as well. Still, I dunno if I would use these over my azure sleeves.
For one, I have a 45 monk. I know the hassles of weight.
Regen > HP > STA > Aura of Battle > AC > AGI. This is so wrong it's not even funny..
AoB = Regen. 2hp + 15atk. Item effects stack.
HP > AoB > Sta > AC > AGI
An item with 55hp is better than a 10ac AoB item just because you can take more AE and hits. 2hp/tick isn't going to save you during a 500pt AE, but will help minorly if you have multiple items.
Well, the saves on these are great. And the misc stats are also great. I would personally love these on my monk, and he's level 52. Acrylia Reinforced have STA though, and HP and STA are, in my opinion, the best stats you can get.