The Aqualung Nabul Snorkeling Mask is travel friendly adjustable buckle mask. The Lens and skirt are assembled without a frame to reduce size and weight and its single tempered glass lens style offers a panoramic field of vision. Lightweight low-volume design makes clearing water from the mask easy. The masks silicone skirt has a double feathered edge and works in concert with the wide split strap design for a perfect seal on your face. Large easy to reach nose pocket allows one handed ear equalization even when wearing gloves. Mask is available in multiple colors.