Calvin Klein CK One Collector's Edition Eau de Toilette Unisex is a unisex fragrance with top notes of Bergamot, Rhubarb and Grapefruit, middle notes of Rosemary, Pine needles and Gin, and base notes of Birch, Ambrettolide and Ambroxan. Expertly crafted for a long-lasting, sophisticated scent, it's perfect for any occasion.