ScubaPro Frameless Gorilla Mask Extra-large single lens provides an expansive field of view while reducing volume. Slightly larger double-seal matte skirt creates a comfortable, watertight seal on larger faces. Traditional buckles attach to the skirt, enabling the mask to be folded flat for traveling. Wide headband allows for a comfortable fit against the back of the head. Single lens mask featuring a unique lens and skirt assembly without a frame.