Eternity Summer by Calvin Klein Perfume. Enjoy the summer season all year long with Eternity Summer. This lovely scent from the design house of Calvin Klein is perfect for today's free-spirited woman. Created in 2011, this limited-edition fragrance features a playful combination of gardenia, jasmine, lotus and mimosa notes, with the earthy note of fig tree, giving you a light scent that lasts all day long. Place a bit on your wrists and neck, and reminisce about those long summer days.