The M-212 Ceos is a low-profile low volume two window mask that features the newly developed and revolutionary Freedom Technology delivering superior fit, comfort and performance. The Ceos is one of the first next generation TUSA masks offering this innovative new technology combined with superior design, build quality, materials and frame construction. In addition to Freedom Technology, the M-212 features TUSA's patented Quick-Adjust Buckle System, 3-D Anatomical Strap, Round-Edge skirt technologies and is available in a PRO version (M-212S) with CrystalView optical glass lenses treated with a proprietary anti-reflective (A/R) and ultraviolet (U/V) coating. Features: Low profile, low-volume 2-window teardrop design Equipped with Freedom Technology Skirt mounted Quick-Adjust Buckle System Round-edge skirt for maximum fit and comfort 3-D strap for ideal anatomical fit Accepts MC-7500 Corrective Lenses and ML-7500S AR/UV lenses PRO Version (M-212S) with CrystalView AR/UV lenses Technology: