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Product description

Guardian GRXS 31 are classic and comfortable eyeglasses featuring a full rim TRNZZ frame. Made with sophistication and stylishness and touched with rubber nose pads, these glasses are sure to bring you comfort and style. The bent temples and spring hinges provide a comfortable fit. With a rectangular silhouette, they'll look great on both men and women. The non-removable side shields are ANSI compliant and resistant to lens cleaning chemicals. These specs have been tested for CSA Z94.3 protection criteria. You can get these glasses in gloss black. If you need a stylish, bold, and durable frame, you won't go wrong with Guardian GRXS 31.

Product Features 

  • TRNZZ frame

  • Non-removable PC impact side shields

  • Embossed G shield logo

  • Rubber nose pad

  • ANSI Z87.2 safety compliant

  • UV protection

  • Conforms to CSA Z94.3 protection criteria

  • Prescription ready

  • No-slip grip

Frame Information

  • Gender Unisex
  • Age Adult
  • Rim Full Rim
  • Shape Square
  • Manufacturer Guardian
  • Eye Size 54.10
  • Frame Size L


To ensure your frames fit perfectly, you first have to determine which size frames are best for you. The best place to start is with the measurements on a pair you already own. You know those little numbers on the inside of its temple? That's what you're looking for. The frame measurements appear in the following order: lens width, bridge width, and temple length.

Frame Width

Frame Width

To find frame width, measure the front of the frame from screw to screw

Temple Length

Temple Length

Temple length is the measurement in millimeters of the ‘arms' of the frame. This measurement does not vary as much as the others, with 135mm, 140mm, 145mm, and 150mm being the most common options.

Lens Height and Width

Lens Height and Width

Lens height is the distance from the top of a lens to the bottom. Lens Width is the distance from the left side of a lens to the right side.

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