Calvin Klein Obsession Night for Men is a modern approach to the original addictive classic. Obsession Night for Men is a provocative blend of the finest black Tuscan suede dusted with hints of nutmeg, rich woods, vetiver, and patchouli, resulting in a modern scent for men. Top notes: artemisia, grapefruit, pear and cardamom. Heart notes: nutmeg and musk. Base notes: patchouli, vanilla and vetiver.