Features . 7800 Series Premium Silicone Half Masks Medium Silicone. Higher resistance to heat and compression with all the enhanced comfort and durability of silicone. Made of soft supple silicone that conforms easily to different face shapes while maintaining a comfortable seal of protection. Curved neck buckles and adjustable head cradle ensure a comfortable custom fit for most users without pressure points. Low profile compact design provides an expansive field of vision and makes the mask well suited to be worn under welding helmets. Mask drops down for convenient storage around the neck or locks down for custom fit. Easy cleaning and maintenance due to super simple disassembly few replacement parts needed Specifications . Material Silicone. Weight 12 44 lbs