Hollis M-4 Mask | Scuba Diving and Snorkeling Essential | Square Lens for Wide Vision | Low Volume to Reduce Fogging | Comfortable Silocon Skirt | Fits Various Face Shapes

First and foremost, when selecting a mask, it is important to prioritize fit and field of vision. The M4 Mask offers the perfect combination of both, as it is able to fit a variety of face shapes and provides exceptional peripheral and vertical vision. In addition, it has a low profile, making it easy to stow, and it offers great value for its quality. With a square lens design, the M4 Mask provides a fantastic field of vision and helps to minimize fogging. It also offers superior peripheral and vertical vision. The frameless design and 100% pure silicon skirt make for a comfortable fit on the face, suiting a variety of face shapes. Furthermore, the silicone skirt wraps around the nose and forehead, creating a strong seal that prevents water leaks, even for those with facial hair. The M4 Mask is also designed for easy on and off, with quality buckles and a simple adjustable strap. About Hollis, the company is known for engineering superior technical diving equipment and is dedicated to providing diving solutions that meet the needs of their customers, ensuring they have the best technical diving products for their complex diving experiences.

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