The Compact Tempered Glass Twin-Lens Matrix takes the basic design concepts of the Big Eyes Evolution and pushes them to a new level of performance. More pronounced Inverted Tear-Drop Shaped Lenses, Raked Inward to sit even closer to the eyes, and built overall more compact make the Matrix an ideal choice for Divers and Free Divers looking for the biggest view in the smallest package. The Matrix has a Wide Field of View, with a Double Feathered Edge 100% Hypoallergenic Soft Silicone Skirt. It"s Extraordinary Inverted Tear Drop Lens Visibility, together with its Extreme Comfort and Efficient Adjusting Low Profile Buckle System for the Wide Split Style Silicone Strap makes this model a great choice for all diving activities. The Pressure Buckles are Easily Adjusted by a pull of the mask strap "you can hear them click"; by placing pressure with your thumbs behind the buckle you can easily pull the mask from your face in a smooth and non-stressful manner. The Matrix Mask has an Easy-to-Reach One-Hand Nose Pocket for Ear Equalization which can be utilized even when wearing thick gloves. The Matrix Mask is an Extremely Low Volume Design. Mask has an Over Molded Frame Design for an easy grip. To protect your Mask when not in use the Matrix comes with a Hard Plastic Protective Mask Box. The Matrix is covered by a 12 month limited warranty.