For secure, comfortable fit, SecureFit 400 Series features adjustable nose-pads, Pressure Diffusion Temple Technology with ability to self-adjust to wide array of head sizes, and reduced frame slippage during head movement. Glasses are available in clear, gray, and indoor/outdoor models with polycarbonate lenses that absorb 99.9% of UVA and UVB rays.
This story is related to the following:Safety Glasses