【Plusmix/Plusmix PX-13533】 Made in Japan, titanium and beta-titanium materials. Lens width 54mm, lens height 28.5mm, nose width 16mm, temple length 132mm, overall width 137mm Plusmix's spring hinge titanium frame, a high-grade premium model with spring hinge specifications. The design concept is "Combat Uniform". The spring hinge, made with beta-titanium used only in high-end models, provides a soft and comfortable fit, enveloping the wearer. Although there is some wear and tear, there are no problems with use. Also, prescription lenses are installed, so please replace the lenses before use.