Safety Glasses vs Sunglasses: What Z87+ Ratings Mean and When You Need Them

Plenty of sunglasses look tough enough for a jobsite, a shooting range or a day on the boat — but looks say nothing about impact protection. In the United States, the marking to look for on protective eyewear comes from the ANSI Z87.1 standard. Understanding what it means helps you buy the right pair for the job instead of relying on marketing words like "tactical" or "rugged".

What ANSI Z87.1 covers

ANSI/ISEA Z87.1 is the US standard for occupational and educational eye and face protection. Eyewear that meets it should be marked by the manufacturer. Two markings matter most:

• Z87 indicates the eyewear meets the basic requirements of the standard.
• Z87+ indicates it has also passed high-velocity and high-mass impact testing, which is what most people mean by "impact-rated".

Look for the marking on the frame and lenses themselves, not only in the product description. Many workplaces specify Z87+ eyewear for tasks such as grinding, cutting or working near flying debris.

Side protection matters

Some glasses meet the standard only when fitted with side shields, because impacts can come from the side. If a product says it is rated "with side shields", make sure you actually use them.

Sunglasses are a different job

Regular sunglasses are designed to reduce glare and UV, not to stop impacts. For sun protection, look for lenses that block UV (often described as UV400 or 100% UVA/UVB protection). Polarized lenses cut reflected glare from water, roads and snow, which makes them popular for fishing and driving.

Can one pair do both?

Yes — some eyewear is both tinted and Z87+ rated, which suits outdoor work in bright conditions. Just remember that dark lenses are not suitable for low light or indoors, and that a tint does not make a lens safety-rated on its own.

Other features worth checking

• Floating frames help if you are on or near water.
• Foam gaskets keep out wind and dust for riding or windy work.
• Anti-fog coatings help with masks and humidity.
• Prescription options if you need corrective lenses.

The short version

For work or shooting, buy eyewear marked Z87+ and use any required side shields. For everyday sun, prioritise UV protection and, if you like, polarization. If you need both, look for tinted safety eyewear that is clearly marked.

Frequently asked questions

Are polarized lenses safety-rated?

Not automatically. Polarization reduces glare; impact protection depends on whether the eyewear meets and is marked to the Z87 standard.

Where do I find the Z87 marking?

Compliant eyewear is marked by the manufacturer, usually on the frame temple and the lens. If you cannot find the marking, do not assume the glasses are rated.

For an example of how one brand labels which of its models are safety-rated and which float, see our Bomber Eyewear review.