CK One by Calvin Klein is an aromatic unisex fragrance. The top notes include pineapple, green notes, mandarin orange, papaya, bergamot, cardamom and lemon. The middle notes are nutmeg, violet, orris root, jasmine, lily-of-the-valley and rose. The base notes are sandalwood, amber, musk, cedar and oakmoss. This scent is punchy and fresh, perfect for warmer days.