This official 24-day Harry Potter Socks Advent Calendar includes a combination of socks, so whether you're going for a sporty, casual or formal look, you'll have no trouble finding something to match your outfit. The advent calendar contains a total of 12 pairs of unisex socks in one size (36-41). Discover 1 sock each day! This Harry Potter Odd Advent Calendar is perfect for all Potterheads and Wizarding World fans.