Model specifications hagen xlframe type full frameweight 27 gramsfit extra large large mediumrx compatibility directfit frame features hagen xl is the next generation of our wildly popular hagen with an updated over sized frame for maximum style 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 pieces for a no slip fit all tifosi optics eyewear