Key features: Titanium frame, a noble metal known for its lightness and strength. Origin: Japan. Square frame. Lenses Include: Lenses certified ISO, IAF, and KAB MC 04. Lenses prepared, cut, and hand-checked in our workshop. Category 1 lenses: protect against glare in cloudy conditions or indoors. Protect 100% against UVA and UVB. Non-personalizable lenses.