Originally founded in 2008 by Mikael Soderlindh and Viktor Tell, Happy Socks is a Swedish company specialising in colourful, printed socks. Happy Socks’ found almost immediate success and, as of 2018, had sold more than 40 million socks worldwide. Happy Socks have seen numerous collaborations with celebrities and companies such as Wiz Khalifa, Elton John, Adidas, Pharrell Williams and David Hasselhoff.