PLEASE don't fall into that trap of believing all the bollocks online that says "yeah TM recoils are great, once you change X, Y and Z". Leave it the fuck alone, it'll be fine. Plus, any excuse to repost this:
As for contacts, they even do varifocals now! Weird as fuck to use but they do them!
Plate carriers are sweaty as fuck so definitely check out belt kit but don't rule out chest rigs either. There's loads of them out there that have plenty of variety.