Hat by Jack Wills, Cable knit, Pom pom top, Turn-up brim, Hand wash, 80% Lambs Wool, 20% Nylon. ABOUT JACK WILLS Jack Wills launched in 1999 in Salcombe, Devon, designing British heritage-inspired goods for the university crowd. Drawing a distinctive connection between the old and new, Jack Wills take pride in their finest quality materials and 'fabulously British' design across their collections of hoodies, denim and beauty.