CK One Shock by Calvin Klein for Men is a citrusy unisex fragrance. CK One happened to be the most popular fragrance and CK One Shock really did give fans a one big shock with its exciting, exhilarating, spicy, aromatic and deep oriental fragrances. This scent was created by the famous perfumer Ann Gottlieb and IFF. It appears in a funky looking black bottle with the words and “CK One” in plain white font and the word “shock” appearing to be spray painted in neon green under them. It is available in a quantity of 200ml in the eau de toilette concentration. The fragrance hit the shelves in the year 2011.