Ex Officio underwear is all about comfort and high-tech performance. Its sophisticated, wrinkle-free designs have made it a go-to brand for men. Once only considered vacation wear, Ex Officio has found its way into men's daily underwear. If Ex Officio underwear can keep you comfortable on an extended vacation, it can surely do the same for long days at the office. Made with special fabrics, the pieces can be washed, dried and ready to go in less that four hours. The ventilated mesh fabric the pieces are made of allows for better airflow and improved wicking properties to keep you cool, comfortable and dry. Each is also equipped with Aegis Microbe Shield that kills bacteria, reduces odor, and aids in wicking moisture.