The Seac E-Fox Mask has been carefully designed to fit more comfortably on an Asian facial structure. Hypo-allergenic silicone skirt is very soft to mold to your face shape to stop leaks and reduce pressure on your face. (ASIAN FIT)   The shape of the skirt has been carefully designed to adapt to Asian facial structure. Versatile mask with low inner volume. Foldable buckles, micrometrical quick adjustment with Easy Touch System with dual buttons.   Highly adaptable anatomic skirt in comfort high quality silicone with differentiated thickness. Smooth edges to increase comfort and avoid leaving lines on the face, even after prolonged use. The shape of the nose has been carefully designed to facilitate equalisation. - Frame: Polycarbonate - Skirt: Comfort High-Quality Silicone, hypo-allergenic and with differentiated thickness - Strap: Silicone - Lenses: symmetrical in tempered glass - Optical lenses: from: -1.0 to - 6.0 (Increments of -0.5 diopters) - Packaging: rigid transparent case included Seac Sub E Fox optical lens are Made in Italy.