Pyramex I-Force Safety Glasses — ANSI Z87+ Dual-Pane Anti-Fog
EDITORIAL REVIEW: 4.5/5 — WC Safety Review of the Pyramex I-Force, the dual-pane safety glass that beats fog a coating can't. Editorial assessment by Steven Eaton, WC Safety editor, based on published Pyramex specif...
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Editorial assessment by Steven Eaton, WC Safety editor, based on published Pyramex specifications and category fit. We did not laboratory-test this product.
The Pyramex I-Force is a dual-pane sporty safety glass built for environments where fogging defeats a standard anti-fog coating. It uses a two-lens system — an outer polycarbonate impact lens and an inner acetate lens separated by an insulating air gap, like a thermal-pane window — to stop fog at the source. Every model adds foam perimeter padding for a close face seal, a removable strap for goggle-style retention, and standard temples. It's ANSI Z87+ certified and EN166 compliant, in four H2X anti-fog tints.
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Why the Pyramex I-Force beats persistent fog
Some jobs fog a lens no matter how good the coating is — walk-in coolers, wash-down lines, foundry heat, a mask under exertion. The I-Force stops fighting the coating and changes the physics: two lenses with an insulating air gap keep the inner surface near face temperature, so humid air never condenses on it. Add a foam seal and a removable strap and it holds fog off through the whole shift. Our full Pyramex I-Force review rates it 4.5/5, and the anti-fog guide explains when a coating isn't enough.
Safety first: the foam seal blocks dust and drafts, but the I-Force is impact-and-debris protection, not a sealed splash goggle — it is not rated against a chemical splash hazard, fine mist, or vapor, which require a D3-rated sealed goggle or a face shield per your hazard assessment. Keep moisture out of the air gap, and match the tint to the light. Choose eyewear against measured hazards with the when-do-you-need-safety-glasses guide.
What the listing documents
From the published specs: ANSI Z87+ certification and EN166 compliance; a dual-pane two-lens system — outer polycarbonate impact lens plus inner acetate lens with an insulating air gap; foam perimeter padding for a close face seal; a removable strap for goggle-style retention plus standard temples; H2X anti-fog on all four tints — Clear, Gray, Amber, and Indoor/Outdoor Mirror; base model SB7010SDT. As pyramex safety glasses go, the I-Force is the fog-killer — a genuine dual pane anti fog safety glasses design and the strongest anti fog safety glasses option in the line.
Choosing your I-Force variant
Match the tint to the light, with anti-fog built into every option: Clear from the clear-lens collection for indoor and cold-storage work, Gray for outdoor glare, Amber for low-light contrast, and Indoor/Outdoor Mirror for shifting light from the I/O collection. Since fog is the whole point, the anti-fog collection and the clear-vs-smoke lens guide help pick tint and coating together.
Where the I-Force sits in the Pyramex line
The I-Force is Pyramex's fog specialist; for lighter everyday frames the Intruder is the low-profile wraparound and the Goliath is the large-lens full-coverage frame, while the Velar focuses on a stable co-injected fit. For a foam-sealed hybrid comparison, see the foam-lined collection. Browse the full Pyramex safety glasses collection, and the best safety glasses 2026 roundup places the line against other brands.
Where it fits by job and crew orders
The dual-pane suits cold storage, food processing, foundries, and any relentlessly foggy work — the construction, manufacturing, and mechanics guides rank frames by task, and smaller-faced wearers should check the small-face guide. Where the hazard exceeds impact — splash, vapor — step to a sealed goggle from the safety goggles collection or the broader eye protection collection. For crew orders, quantity purchasing runs through a free Amazon Business account — volume pricing, PO numbers at checkout, and tax-exempt eligibility for qualifying organizations, with the walkthrough linked in our footer.
Reading the Z87 marking, and what it does not cover
Protective eyewear in the US is built to ANSI/ISEA Z87.1, and OSHA 1910.133 requires eye protection that meets it. The marking on the frame is the specification, and the important distinction is a single character: Z87 is basic impact, Z87+ is high impact — tested with a quarter-inch steel ball at 150 ft/s for spectacles. If the work throws anything, Z87+ is the line.
The suffixes narrow it further: D3 is splash and droplet, D4 dust, D5 fine dust. These matter because a spectacle cannot earn D3 — droplet protection needs a sealed goggle. Safety glasses are impact protection, not chemical splash protection, however wraparound the lens looks, and substituting one for the other is a common and consequential error.
A face shield is also secondary protection under 1910.133: it is worn over primary eye protection, never instead of it. And tint is not shade — a dark lens without a stated IR/UV shade number offers no rated protection against radiant energy.
Frequently asked questions
What is the Pyramex I-Force?
A dual-pane sporty safety glass built for environments where fogging defeats a standard anti-fog coating. It uses a two-lens system - an outer polycarbonate impact lens and an inner acetate lens with an insulating air gap between them - to stop fog, plus foam perimeter padding and a removable strap. It is ANSI Z87+ certified.
How does the dual-pane system stop fog?
Two lenses with an insulating air gap between them work like a thermal-pane window: the gap keeps the inner lens closer to your face temperature, so warm humid air doesn't condense on it. It addresses fog at the source rather than relying only on a surface coating.
When do I need dual-pane over a coated single lens?
When fogging is persistent and severe - cold-to-warm transitions, high humidity, heavy exertion, or masked work - and a standard anti-fog coating keeps fogging anyway. For milder conditions, a single H2X-coated lens is usually enough and lighter.
Is it ANSI Z87+ rated?
Yes - the I-Force is ANSI Z87+ certified (the high-impact rating) and also meets EN166 European standards, so it satisfies the requirement for most industrial eye hazards.
What are the foam padding and strap for?
Foam padding around the frame perimeter gives a closer face seal to block fine dust and drafts, and a removable strap lets you wear it goggle-style for secure retention during active or overhead work. You can also run it with standard temples.
What tints does the I-Force come in?
Clear, Gray, Amber, and Indoor/Outdoor Mirror - all with H2X anti-fog on the dual-pane lens. Match the tint to your light; every variant carries the anti-fog dual-pane construction.
Is it rated for chemical splash?
No - the foam seal blocks dust and drafts, but the I-Force is an impact-and-debris safety glass, not a sealed splash goggle. For a chemical splash hazard, fine mist, or vapor, use a D3-rated sealed goggle or a face shield.
Is it over-the-glasses (OTG)?
No - the I-Force is not an OTG frame. Prescription-glasses wearers should look at an over-the-glasses model or a sealed OTG goggle for fog-prone work.
Is it heavier than a normal safety glass?
The dual-pane construction and foam add some weight over a single-lens frame - the tradeoff for fog immunity. For persistent-fog work that's a worthwhile trade; for dry work a lighter single-lens frame is fine.
How do I care for the dual-pane lens?
Rinse grit before wiping and use a lens-safe cloth; avoid harsh cleaners that damage the acetate inner lens and H2X coating, and keep moisture out of the air gap. Retire the lens once scratches enter your line of sight.
Who is the I-Force for?
Workers in cold storage, food processing, foundries, and any job with relentless fogging where they'd otherwise fight a fogged lens all shift. It's a targeted fix for the fog problem, not a general everyday frame.
How do I order for a crew?
Quantity purchasing runs through a free Amazon Business account - volume pricing, PO numbers at checkout, and tax-exempt eligibility for qualifying organizations. The bulk-ordering walkthrough is linked in our site footer.
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