I’d definitely use the Epic Wondrous Item (Glasses) over the Rare (Gloves), but for the Legwear I’d probably go for whichever has the most stats because Saarvin really shouldn’t be moving around unless he can help it.
That being said, all else equal, I favor the defense boost of the rare ones over the melee attack of the epic, since
P.S. Why do people keep calling him a “Bird Man”? Dragonborn is a pretty iconic race at this point.
I Got The Bird-Man From HuKo.