Sunspel is a British luxury basics brand founded in 1860, widely credited with creating the modern T-shirt and renowned for producing some of the world’s finest quality T-shirts, underwear, and casual clothing using premium fabrics including Sea Island cotton and superfine merino wool. The company has manufactured in Long Eaton, Nottinghamshire since the 19th century and is one of the oldest continuously operating garment manufacturers in the UK. Sunspel sells through its own retail stores, department store concessions, and its online shop.