Men's Designer Underwear Briefs at UnderU.com. We stock the latest styles and ranges from the top designer briefs underwear brands for men, including Emporio Armani, Calvin Klein, Diesel, D&G, Gant, and Polo Ralph Lauren to name just a few. Men's Briefs have come a long way since the humble Y-Front, and are a popular style of underwear for men, providing both style and comfort. We also offer some large discounts on past season stock in our men's underwear clearance outlet. Don't forget to add socks to your underwear order!