Obsession Night Calvin Klein is a fragrance line that includes versions for men and women. Obsession Night for Men is a woody amber scent that was launched in 2005. It has notes of cardamom, pear, artemisia, grapefruit, nutmeg, musk, vanilla, patchouli and vetiver. Obsession Night for Women is an amber floral scent that was also launched in 2005. It has notes of white flowers, bitter orange, angelica, bergamot, mandarin orange, gardenia, jasmine, lily-of-the-valley, rose, cashmere wood, vanilla, sandalwood, tonka bean and amber. Both fragrances are described as sensual and mysterious scents that evoke the thrills of the night .