The Tusa Freedom Elite Mask - M1003, Introducing TUSA’s newest mask with Freedom Technology: Freedom Elite, M1003. Freedom Elite has a single lens that offers a clear, wide view to the underwater world. This mask securely fits a wide variety of faces, making it one of the most versatile masks TUSA has to offer. Freedom Technology: Each person has a unique facial structure and every diver can potentially experience some level of discomfort or "pressure" while wearing a typical mask underwater. TUSA engineers wanted to solve these problems and spent several years analyzing mask fit, facial bone structure and mouth movement. The result is Freedom Technology, a set of revolutionary new mask features delivering superior fit, comfort and increased performance. Experience Freedom.