The unique design of Sherwood’s oracle provides divers with tremendous comfort. It’S distinctive shape provides superior field of vision to other masks of its size and it’s low volume supplies excellent panoramic vision without any distortion from side windows. The oracle’s quick disconnect buckle system makes any strap adjustments simple and convenient. Tempered glass lenses to prevent distortion and fogging, and minimize scratching. Easyaccess nose pocket for singlehanded equalizing. Convenient quick disconnect buckles. Easily adjustable straps. Highest quality silicone skirt and strap.