The Rayblocker SeaDiver HD 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 favored model among freedivers due to its low volume design Easy-adjust buckles are attached directly to the mask skirt for a better, more comfortable seal Easy access nose pocket Wide strap keeps mask in the perfect position Fog resistant coating Plastic box with lid included