1. CK Free Calvin Klein Perfume is the ideal pick for men who do not mind expressing their passionate and sensual side to the world. It is designed using natural ingredients and is easy to wear. This perfume fills the air around you with a mysterious elegance that will earn you many admirers. It settles nicely on the skin and feels a special treat every time it is worn. This perfume comes in a 100ml bottle, in Eau de Toilette concentration. ​