There's no easier way to cheer up a conservative man's wardrobe than red socks.
These exceptionally high quality merino wool socks are from the great British company, Pantherella.
70% merino woo, 30% nylon in two sizes.
Medium: Shoe size UK 7.5-9.5 (USA 8.5-11)
Large: Shoe size UK10-12 (USA11.5-13)