Men-Fitted is a great innovation with simple, but elegant features that set it apart from the rest. Showing grave concern to the fabric used, Men-Fitted is made of high-quality fabric- Lyocell, a new age eco-friendly material made of wood cellulose. Lyocell is the best premium fiber for underwear. Lyocell is a complete innovation in all fabric materials. It’s a smooth, sustainable, breathable material that naturally reduces the growth of bacteria that causes odors.