This scent can bring back vivid memories in an instant. Make a lasting impression with this bold men’s Calvin Klein One eau de toilette fragrance. Offering a wide range of gender-specific and unisex scents, the Calvin Klein brand has a broad appeal that has endured for decades. A lightly-scented perfumed liquid is the base for this refreshing eau de toilette. A scent that coworkers and that special someone can both agree on, it is suitable for all-day wear. Its 100 ml / 3.4 fl oz size provides enough fragrance to last through the year with conservative use.