Jumper by Jack Wills, Crew neck, It's classic you, Colour-block design, Cos two colours are better than one, Ribbed trims, Regular fit - true to size. Jack Wills was launched in 1999 in Salcombe, Devon, designing British heritage-inspired goods for the university crowd. Influenced by the best of British, whether thats sporting history or country pursuits, Jack Wills signature prep aesthetic makes up a high-quality collection of hoodies, sweat pants and denim.