• Features Titanium construction, spring hinge, nickle free plating and N-Tite System. Available in two colors and two sizes.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, LGR Light Gray Matte• Titanium, spring hinge, nickel-free plating, N-Tite system• No replacement temples• Side shield: T-LOC only, gray shield available, CS60/CS60S