Heather-grey organic-cotton logo-print pyjama set from Calvin Klein Underwear featuring logo print to the front, round neck, long sleeves, straight hem, elasticated waistband, slim cut and elasticated ankles. POSITIVELY CONSCIOUS: This Planet Conscious product is made from at least 50% organic materials, which helps you support organic farming practices such as the restricted use of synthetic chemicals and genetically modified seeds, improved soil fertility and better livestock management..