BLAST BLAPSI general purpose goggles provide unbeatable comfort and essential modular design with all-round vision. Ball-pivot. Adjustable strap. Overflow chute for liquids. Unbeatable comfort and essential modular design. Fits over prescription glasses. Panoramic field of view. Compatible with half-mask respirator. Conforms to EN166 - EN170. Weight 113g. Frame Type: Vented - Indirect Ventilation. Frame Material: TPR. Frame Colour: Blue. Frame Markings: EN166 3 9 BT CE. Lens Material: Polycarbonate. Lens Colour: Clear. Lens Coating: Platinum Lite. Lens Markings: 2 - 1.2 1 BT 9 CE. Strap Material: Polyester.