Hugo Boss Hugo Boss Matte Ruthenium Slim Metal Square SIZE 57-18-145 This lightweight model from Hugo Boss showcases a slim, clean design made from metal in a matte ruthenium finish accented by polished ruthenium rim inlay. Self-adjusting nose pads and coated temple tips deliver elevated comfort. Fitted with grey/silver flash lenses that provide 100% UV protection. Discreet branding on temples and upper right lens. Alt/Asian Fit.