Quatre Cologne by Boucheron, Released in 2015, Quatre is a classy, elegant and long-lasting cologne that any man would be proud to wear . Whether you’re out for a lunch with friends or working with new clients at work, this cologne is well-suited for the occasion. While the fragrance was designed around spring, it can also be worn during the summer and fall months effectively. The top notes are a citrus duo of lemon and lime mixed with violet leaf. The heart notes are a floral journey of jasmine sambac and rose. The base notes settle into cedar, cashmere wood and musk.