Seac's versatile M70 Mask folds and fits easily into a pocket, making it the perfect backup mask. It's designed with semi-frameless technology with a small internal volume that doesn't require voluntary compensation. Special opaque anti-reflection high-quality liquid silicone skirt with easy push adjustment 3D pivoting buckle is over molded directly onto the frame. Tempered glass lenses have guaranteed thickness of 3 millimeters, as required by ANSI standards. The mask skirt has a double feathered edge and a wide split style strap for a perfect seal on the face. A large easy to reach nose pocket provides easy ear equalization even when wearing gloves. Mask comes packaged with a ridged transparent mask box for storage and safe transport.