The Ellijay features a lightweight Grilamid frame and soft touch nose and temple pads for extended comfort during long periods of use. KastKing frames are built to survive years of active use, they are ultra-lightweight, extremely flexible, resistant to heat, resistant to UV rays, and possess excellent memory and retain their shape. KastKing polarized lenses are manufactured with high quality raw materials to produce a lens with excellent optical quality that is ultra-lightweight, tough, and scratch resistant. KastKing lenses pass a double decentering test to ensure they meet the highest standards of visual clarity with no optical distortion which can cause eye strain and headaches. Polarization helps to reduce glare caused by reflected light which helps to improve vision and reduce eye strain. All KastKing eyewear lenses block 100% of the harmful UVA and UVB rays.