The Blue Reef Sentinel Mask is designed using all-clear silicone with a clear outer frame, a clear high-grade soft silicone skirt for a perfect seal, and clear quick-adjust micrometric buckles to adapt to various face shapes. Lightweight and durable, with a wide silicone strap for ...The Blue Reef Sentinel Mask is designed using all-clear silicone with a clear outer frame, a clear high-grade soft silicone skirt for a perfect seal, and clear quick-adjust micrometric buckles to adapt to various face shapes. Lightweight and durable, with a wide silicone strap for comfort, the Sentinel Mask is designed to provide a precise and secure fit so you can feel at ease underwater.
The lens is 4mm tempered glass, which allows extended peripheral vision, lateral and vertical side visibility, and an overall wider and excellent field of view in all directions. Available in multiple clear colors, dive with style.