K2-serien har utrustats med de nya uppdaterade Premium+-linserna; klarare sikt, mer stöttåliga, mer reptåliga, bättre kontrast och mindre färgförvrängning.
"We are constantly working to improve the performance of our products and this is our latest technology. With this lens technology you climb to new heights. Premium+ is a clearer lens and with improved optics so you will experience the world razor sharp. With enhanced contrast you will be able to see everything with perfection. Bullet proof and shatter safe lenses with a new developed hard coating for longer lifetime. 100% polarized and UV protected. So what are you waiting start enjoying your lifestyle with razor-sharp vision and relaxed eyes with leech premium+."