Eternity by Calvin Klein is a Aromatic Fougere fragrance for men. Top notes are lavender, mandarin orange, bergamot and lemon; middle notes are coriander, lily, orange blossom, juniper berries, basil, jasmine, sage, lily-of-the-valley and geranium; base notes are sandalwood, amber, musk, vetiver and brazilian rosewood.

Fougère, which means "fern" in French, is a fragrance family including fresh, floral, herbaceous and woody/warm elements, typically blended with notes like: bergamot, oakmoss, lavender, coumarin (tonka bean), sandalwood, and geranium.