This has never happened before. This will never happen again.
These are Mr. Pitt's Socks (aka Dad Socks) [Rav link], a free pattern designed by Kaitlyn Wong. The yarn is Berroco Ultra Alpaca Fine in colorway 1207 Salt and Pepper; you may remember it from its supporting role in the NaKniSweMo cardigan.
Socks have never happened before. Socks will never happen again.