The seek fc features a full coverage lens shape and size made of grilamid tr 90 a homopolyamide nylon characterized by an extremely high alternative bending strength low density and high resistance to chemical and uv damage hydrophilic rubber ear and nose pieces for a no slip fit adjustable ear and nose pieces for a customizable comfortable fitweight 26gfit s lframe typre open lensrx options n ahydrophilicadjustable ear padstr90adjustable nose padsbag case includedincluded lenses