The side lenses of the Panoramic 3 are precisely fit to the main lens for a nearly uninterrupted field of view. The result is a mask that allows maximum light and feels as open as the ocean itself. Quick-adjust mask strap buckles provide a secure fit and are easy to manipulate, even while wearing gloves and a high quality silicone skirt provides an excellent seal for most faces. The Panoramic 3 also represents an excellent value. Three-lens panoramic design for excellent peripheral vision Lightweight, durable polycarbonate frame Soft silicone skirt fits a wide range of face shapes Fast-adjust ratcheting strap buckles Tempered glass lenses