Probably the key style in a limited edition range of Yellow Submarine-themed socks by Sweden’s Happy Socks, these Happy Socks The Beatles Pepperland Cotton Socks are ice blue sock with the four instantly identifiable cartoon versions of The Beatles from the animated movie classic celebrating its 50th anniversary in 2018. The socks also show a swirling multicolour abstract psychedelic pattern, plus a pale blue heel and green toe. The socks are woven from a high quality combed cotton rich fibre blend, with hand linked toes for smooth seams that add even more comfort.