The M-16 Serena Single Tempered Glass Lens Mask is ideal for both Men and Women. It Gently Conforms to the Contours of your Face. Constructed with Crystal Silicone Rubber, the Serene has been crafted for Divers who want a Wide Field of View combined with a Low Volume Design. Like all TUSA Masks, the Serene incorporates a wide range of features to enhance Comfort and provide a High Level of Quality. TUSA"s patented 3-D Wide Split Strap is a true Three-Dimensional Design that Snugly-Fits against the Head"s Natural Curvature. The 3-D Strap offers Unprecedented Comfort and Fit unlike standard flat mask straps The 5 Angle Strap Adjustor allows for a 5-Position Micro-Adjustment on both the left and right sides of the mask. This enables Vertical (up/down) and Horizontal (left/right) Pressure on the Face to be Delicately Adjusted for the Optimum Fit. TUSA"s Round Edge Double Feathered Edge Skirt features a proprietary round edge cross-sectionally shaped skirt. This rounded edge results in a Soft Fit that Suppresses Pressure and Reduces Creasing left on the face. The "Planar Fit, instead of Linear Fit" silicone skirt maintains great fit and unprecedented comfort, you won"t have Ring-Around-the-Eyeballs" like with other masks. Mask has an Easy-to-Reach One-Hand Nose Pocket for Ear Equalization which can be utilized even when wearing thick gloves. Mask is available in 10 color choices in a Clear Skirt and 2 in All Black. To protect your Mask the Serene comes with a Mask