Prepare to elevate your scuba diving experience with the SeaDive SeaDiver RayBlocker-HD Mask. The built-in easy-adjust buckles, attached directly to the mask skirt, ensure a snug and comfortable seal that stays in place during your underwater adventures. An easy access nose pocket, a wide strap for optimal positioning, and the anti-fog coating are just the beginning. with RayBlocker-HD technology, it allows nearly 100% light passage and employs Sharper Image Technology for a remarkably bright and sharp underwater vision. It's also your shield against harmful UV rays and glare, with an interior coating that reduces eye strain for a comfortable and enjoyable dive.