I really want to get my sick supply before winter officially arrives.
Dude, that is fully sock.
Yes, the diamonds (lozenges) act like crystals concentrating the energy of the universal orb.
The argyle pattern derives from the tartan of Clan Campbell of Argyll in western Scotland, used for kilts and plaids, and from the patterned socks worn by Scottish Highlanders since at least the 17th century (see illustrations in History of the kilt). These were generally known as "tartan hose".