Pyramex I-Force vs V2G: the dual-pane lens is the whole argument

What the two have in common

Start with the shared ground, because it is most of the product. Both pairs are rated by Pyramex to "ANSI/ISEA Z87.1-2020 + High Impact" — the current edition of the civilian standard, with the plus that marks the high-mass and high-velocity tests — plus CAN/CSA Z94.3-2020 and CE/UKCA EN 166. Both also carry a MIL-PRF-32432 high-velocity statement, which is why both sit in the MIL-PRF tier on this site rather than the Z87.1+ tier. What that military document tests, and how much harder it is than the civilian one, is on ANSI Z87.1 vs MIL-PRF-32432; the European marking that comes with it is on ANSI Z87.1 vs EN 166.

Both are also convertible, which is the underrated feature in this pair of products. Pyramex ships each with interchangeable quick-release temples and an elastic headband, so the same frame wears as a pair of sealed glasses with the temples in or as a goggle with the strap on. That matters at a firing line more than it sounds: a strap passes behind the head below the muff cups instead of through them, which is the cleanest fix there is for the conflict between eyewear temples and over-ear hearing protection.

And both seal. Each has a foam carriage that closes the perimeter between lens and face, which is a comfort-and-contamination feature rather than a protection upgrade — the full argument about what a gasket does and does not do is on best safety glasses with a foam gasket, where both of these pairs appear.

The dual-pane lens, and what it is worth

Here is the difference. Pyramex describes the I-Force lens as an "outer polycarbonate lens [that] protects against the environment, while inner acetate lens prevents fogging". That is a thermal-break construction: two panes with a layer of dead air between them, so the inner surface stays close to the temperature of your face and there is nothing cold for the moisture coming off your skin to condense onto. It is how a double-glazed window works, and it is the only anti-fog approach in this whole category that does not depend on a coating surviving your cleaning habits.

The V2G answers fog the usual way instead: a vented frame, vented foam and a named topical coating, sold in both H2X and the more durable H2MAX versions depending on the SKU you buy. That works, and on most days it works well enough. It also degrades. Every topical anti-fog is a surfactant film that thins each time you wipe the lens with a dry shirt, and a sealed goggle gets wiped a lot. Why sealing a frame makes fog worse in the first place, and what to do about it on a pair you already own, is on how to stop shooting glasses fogging.

The airsoft rating only one carries

The second real difference is a standard rather than a feature. Pyramex states ASTM F2879-22 for the I-Force — the airsoft eye-protection specification — when the goggle is worn with the strap. That conditional is the interesting part: the strap and the seal are conditions of the rating, not comfort options, because the hazard is a 6 mm projectile that can arrive from an angle rather than straight on. The V2G has no F2879 claim.

For a parent, that one line decides it. A BB or airsoft projectile can and does get behind an open spectacle, and a sealed goggle on a strap cannot be knocked off a small face. The I-Force is the pick on best airsoft eye protection for exactly this reason, the injury evidence is on BB gun and air gun eye injuries, and the fitting method for a child is on how to fit shooting glasses on a child.

What Pyramex publishes for each

Quoted from Pyramex's own product pages, linked in Sources below. The empty UV cells on the two sealed goggles are a real gap in Pyramex's published specs — a retailer lists 99% UV for the V2G lens, which is normal for polycarbonate, but Pyramex does not state it on the product page. Neither goggle has a published weight.

Lens options: the V2G wins on breadth

Both are offered in clear, gray, amber and an indoor/outdoor mirror, and both put an H2X anti-fog treatment on most SKUs. Where the V2G pulls ahead is at the edges of the list. A retailer catalog for the V2G line lists two IR filter shades — 3.0 and 5.0 — alongside the normal tints, which puts the frame into torch and brazing work that no clear or amber lens belongs anywhere near. It also lists both the H2X and the longer-life H2MAX coating as separate SKUs, so you can pay for the better anti-fog without changing goggle.

If the only lens you will ever fit is the clear one — which is the usual case for a sealed goggle — both appear in our ranking of the best clear safety glasses, judged on whether the maker's rating names the clear lens.

What that means practically: if the goggle has one job in one light, buy either. If it is the only eye protection in a garage where you also weld occasionally, the V2G platform covers more of the week. Which tint belongs on which job is on the lens color guide, and the shade-number system that governs the IR options is on safety glasses tint levels.

Prescription and readers

Neither Pyramex page states that these goggles fit over prescription glasses, and we are not going to imply that they do — if you need to wear your own frames underneath, buy a stated fit-over instead, ranked on best safety goggles over glasses.

But the V2G platform has two routes that the I-Force does not. The first is the V2G Reader: the same sealed goggle with a bifocal magnifier molded into the bottom of the lens in +1.5, +2.0 and +2.5, which is the simplest answer for anyone who can see the target fine but cannot read a scale, a dial or a shell box. The second is an Rx insert — a retailer catalog lists an RX1800 prescription carrier for the V2G line, though Pyramex does not describe it on the product page we read, so confirm it with the seller before you buy the goggle for that reason. Which prescription route suits which shooter is worked through on Rx inserts vs prescription lenses, and the reader field is ranked on best safety glasses with readers.

Price, and the honest size of the gap

Both are cheap in absolute terms. In the industrial catalogs the two sit in clearly different brackets, with the I-Force roughly double the V2G per pair — which sounds decisive until you notice that the difference is a few dollars, not a few hundred. Live prices for each pair are on the cards above; we do not print a number in prose that could be stale by the time you read it.

Two consequences. First, the price argument for the V2G is weakest when you are buying one goggle for yourself, and strongest when you are buying six for a club, a classroom or a work crew. Second, at these prices the dual pane is not really an upgrade decision; it is a question of which problem you have. The rest of the sealed field, including the goggles that beat both of these on documentation, is ranked on best shooting goggles.

Which one you should buy

One note on method. Neither of these goggles has been on our faces: everything above is a close read of what Pyramex and its catalog sellers publish, with each claim linked to the page it came from, and the gaps — no weight, no UV figure on the product pages, no stated fit over prescription frames — named as gaps rather than filled in. Our scoring rubric is published in full on how we rate.