Seac L70 MaskL70 Mask Mask designed with semi frameless technology with an internal volume so small as to not require voluntary equalization. The main benefits are field of vision, thanks to the proximity of the lenses to the face, the absolute adaptability and the high level of comfort: enhanced by a 3D buckle on the skirt and lenses in tempered glass with a guaranteed minimum of 3mm as required by ANSI standards. Frame: Semi frameless technology with skirt over