• Features titanium construction, spring hinge, nickle free plating and N-Tite System. Available in two sizes and two colors.Fit:• Titanium• Lightweight• Spring Hinge• Nickel-free plating• N-Tite systemSizes:• 48.21.140• 50.21.145Value Proposition:• Economical protection and conventional styleFeatures & Benefits:• Sizes: 48.21.140: 50.21.145• Colors: LBR Light Brown Matte, DKB Dark Brown Matte• Titanium, spring hinge, nickel-free plating, N-Tite system• No replacement temples• Side shield: T-LOC only, gray shield available, CS60/CS60S