Model G400N Clear LightGuard Medium Fitovers


Model G400N Clear LightGuard Medium Fitovers have the following features:

The LightGuard collection of fitovers delivers superior visual performance, 100% filtration of UVA & UVB rays and high-impact, ANSI Z87.1 safety rated protection. The ultra-lightweight frames feature durable polycarbonate construction and are available in a diverse selection of specialty lens tints formulated to maximize visual acuity under varying light conditions. The optical grade clarity and chemically bonded anti-fog coating provide exceptional distortion-free optics during use in adverse outdoor conditions.

Fit Over Dimensions: These large sized LightGuard fitovers are designed to be worn over prescription eyewear frames that measure up to 5 3/8″ wide x 1 3/4″ high (136 mm x 44mm).

The clear lenses are designed to provide UV400 rated protection (blocks 100% of UVA & UVB rays) and maximize visual light transmission with zero color distortion. The lens provides 96% overall visible light transmission.

Natural color definition.

Clear lens system that blocks 100% of damaging UVA & UVB lightwaves. The clear polycarbonate lens material provides natural color definition with a near indiscernible decrease in light transmittance. This combination is primarily selected for use indoors and in extreme low light conditions.


  • Flexible Temples
  • Patented Design
  • High Impact Polycarbonate
  • Ultra Light-Weight
  • 360 degrees of protection
  • Lifetime Warranty
  • FDA registered
  • Ansi Z87.1 rated
  • Scratch Resistant

LightGuard safety rated fitovers are designed to be worn over your prescription glasses. To achieve the ideal fit, it’s important you find the size that most accurately fits over your eyewear. To help you determine the best size to fit over your eye-wear, please use our LightGuard Sizing Guide. You can download the guide for printing by clicking on the image of the sizing guide. Then follow the directions on the guide to determine if you need the medium or large size.

Buy your Model G400N Clear LightGuard Medium Fitovers today!



Additional information

Weight 16 oz
Dimensions 8 × 4 × 4 in




Face Shape

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Frame Features


Frame Materials


Frame Style


Group Type

Men, Women

Product Type


Safety Rating

ANSI Z87.1


Large, Medium




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