L70: Mask designed with semi-frameless technology with an internal volume so small as to not require voluntary compensation. • Color: black • Frame: semi-frameless technology with skirt overmoulded directly onto the frame • Skirt: high-quality liquid silicone • lenses: in tempered glass with a minimum guaranteed thickness of 3 mm, as required by ANSI standards • Buckles: 3d pivoting buckle directly on the skirt • packaging: rigid transparent box.