The 7800 pro throat shield is designed with a wide profile chin with a flare at the lower edge that allows the unit to fit tight to the upper chest. Increased width at the side of the guard gives a wider area of coverage to the neck area. New this year, a raised, thicker permiter edge provides added rigidity and stiffness for improved durability and puck deflection. The entire unit is made of a tough Lexan polycarbonate material for shock resistance, maximum durability and visual clarity.The unit comes with three ties for easy installation and adjustment. One size fits all.