Simplicity ARC 321377; ©1956; The American National Red Cross Pattern for the Standard Uniform Dress and Indoor Cap. American Red Cross Standard Uniform Dress: Princess style one-piece dress, buttons down front; has convertible collar, long or short set-in sleeves, left breast pocket and two skirt pockets. Regular length pattern in each size may by shortened or lengthened through waist or at hem, as per instructions printed on pattern pieces for front and back center and side panels; through sleeve, as per instructions on printed pattern piece for sleeve.