For over seven years, Seadive has developed and field-tested, anti-reflective (ARC) mask coatings on tempered glass. Standard tempered glass has at least a 4% rate of reflection which can distort underwater vision. Seadive's ARC coatings allow almost 100% transmission of light to the diver's eyes. Seadive has an exclusive application and laboratory fabrication process to create these unique mask coatings. The Seadive by XS Scuba Eagleye is the most popular frame in the Seadive line. It provides excellent peripheral and downward vision. Easy-adjust buckles are attached directly to the mask skirt for a better, more comfortable seal.Hydrophobic coatings use nano-technology to fill in the tiniest surface imperfections in the glass. This process leaves the glass surface so slick, even the smallest water vapor droplets are unable to attach. This provides two benefits: Upon surfacing, droplets don't form on the glass, allowing unobstructed vision and the inside is resistant to fog. The Hydrophobic coating provides the best fog resistant performance of all Seadive masks.The Eagleye Hydrophobic Mask low volume design prolongs the need for equalizing and allows for easy clearing. The buckles of the mask are positioned directly on the skirt minimizing weight and reducing drag. The XS Scuba Eagleye Hydrophobic Mask has a single tempered glass lens, a high-quality silicone skirt and head strap. The mask skirt is a double feathered edge design and the wide split style head