The distinctly British slogan appeared on posters as a reassuring message from King George VI at the outbreak of World War II. Rediscovered 70 years later, it’s just as effective today, lifting our spirits and stiffening upper lips. Available in basic black with a red call box, exclusively from BBC America Shop, and in red. Short-sleeves; unisex sizes S, M, L, XL, XXL. 100% preshrunk cotton. Machine wash.