Eternity Air Cologne by Calvin Klein, Launched in 2018 as an aromatic fougere for men, Eternity Air by Calvin Klein is a superb marine fragrance that is perfect to wear on warm, sunny days. Sea notes and ozonic notes begin the scent with the bracing facets of juniper berries and sweet mandarin orange. Middle heart notes are green and aromatic with tart green apple, lavender, and violet leaf, with more marine and earthy base notes of seaweed, patchouli, and ambergris.