MCR Klondike KD7R Ratchet-Temple Safety Glasses — ANSI Z87.1+ Wide-Wrap
$9.99
Final price set by Amazon · may vary
Lens Color: Clear
Lens Coating: Duramass
EDITORIAL REVIEW: 4.5/5 — WC Safety Review of the MCR Klondike KD7R, the ratchet-temple wide-wrap that dials in a secure fit. Editorial assessment by Steven Eaton, WC Safety editor, based on published MCR Safety spe...
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EDITORIAL REVIEW: 4.5/5 — WC Safety Review of the MCR Klondike KD7R, the ratchet-temple wide-wrap that dials in a secure fit.
Editorial assessment by Steven Eaton, WC Safety editor, based on published MCR Safety specifications and category fit. We did not laboratory-test this product.
Editorial assessment by Steven Eaton, WC Safety editor, based on published MCR Safety specifications and category fit. We did not laboratory-test this product.
The MCR Safety Klondike KD7R starts where the best-selling KD7 ends: the same ANSI/ISEA Z87.1+ wide-wrap polycarbonate frame, but with ratchet-adjustable temples that click into precise positions for a secure fit across any head size, hat layering, or ear protection. For workers whose fixed-temple glasses slide or pinch, the ratchet is the fix — one adjustment per shift, and it stays.
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Why the MCR Klondike KD7R solves the fit problem
Fixed-temple safety glasses fit some heads and fight others: too loose and they slide during active work, too tight and they ache by mid-shift — and hard hats and earmuffs change the geometry again. The KD7R's ratchet temples click to a held position, so the wearer dials in fit once and it stays through layered PPE and movement. It keeps the Klondike's wide coverage and Z87.1+ rating; it just fixes the part that makes people push glasses onto their foreheads. Our full KD7R review rates it 4.5/5, and the safety glasses buyer's guide covers when adjustable temples earn their place.
Safety first: the KD7R is impact-and-debris protection, not a sealed goggle — it is not rated against a chemical splash hazard, fine airborne dust, or vapor, which require sealed goggles or a face shield per your hazard assessment. Fit is protection: adjust the ratchet so the wrap seats past the temple and the lens sits close to the brow, and re-check whenever you add a hard hat or earmuffs. Choose eyewear against measured hazards using the when-do-you-need-safety-glasses guide.
What the listing documents
From the published specs: ANSI/ISEA Z87.1+ high-impact rating; a wide wraparound polycarbonate frame with ratchet-adjust temples; 7 variants — Clear, Gray, Light Blue, and I/O Mirror tints across Duramass, UV Anti-Fog, and MAX6 Anti-Fog coatings; not OTG; model KD7R10. As mcr safety klondike eyewear, the KD7R is the fit-focused member — among ratchet temple safety glasses and adjustable temple safety glasses, it pairs the mechanism with the wide Klondike coverage.
Choosing your KD7R variant
The tint and coating options map to conditions: Clear for indoor work from the clear-lens collection, Gray for outdoor glare, I/O Mirror for shifting light from the I/O collection. For humid or mask-heavy work, MAX6 and UV Anti-Fog pair with the anti-fog guide and anti-fog collection; the clear-vs-smoke guide settles the outdoor tint.
Where the KD7R sits in the Klondike family
The Klondike line scales by feature: this KD7R adds ratchet temples, the KD7 is the fixed-temple 15-variant workhorse, the KD5 simplifies to two variants, the KD3 adds a bifocal, and the premium KD1 brings Amber and Silver Mirror. Prescription wearers take an over-the-glasses frame from the OTG collection. The full MCR Safety glasses collection and the best safety glasses 2026 roundup place the KD7R against other brands.
Where it fits by job and crew orders
Adjustable fit makes the KD7R a fit for hard-hat trades and shared eyewear — the construction and manufacturing guides rank frames by task, and smaller-faced wearers should check the small-face guide since the ratchet helps tighten fit on smaller heads. Browse the broader eye protection collection for goggles and face shields where the hazard exceeds what glasses cover. 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 MCR Safety Klondike KD7R?
The ratchet-temple version of MCR's best-selling KD7 wide-wrap safety glass: the same ANSI/ISEA Z87.1+ high-impact polycarbonate frame and wide coverage, but with temples that click into precise positions for a secure, adjustable fit. It comes in 7 tint-and-coating variants.
What do ratchet-adjustable temples do?
They click into set positions so you can dial the temple angle and length to your head, then they stay put. Workers who find fixed temples either too loose (glasses sliding during active work) or too tight (pressure over a full shift) get one adjustment that holds.
How is the KD7R different from the KD7?
Only the temples. The KD7 has fixed temples; the KD7R adds the ratchet-adjust mechanism on the same wide Klondike frame and Z87.1+ rating. If fit dial-in matters - shared eyewear, PPE layering, or awkward fits - the KD7R is worth the step.
Is it good for wearing with a hard hat or ear protection?
Yes - that's a core reason for the ratchet: hat brims and earmuff cushions change how temples sit, and the adjustable temples let you re-seat the glasses so they stay secure over layered PPE without pinching.
Is it ANSI Z87.1+ rated?
Yes - it carries the ANSI/ISEA Z87.1+ high-impact rating (the '+' marks passing the high-velocity and high-mass impact tests), so it meets the requirement for most industrial eye hazards out of the box.
What tints and coatings are available?
Clear, Gray, Light Blue, and I/O Mirror tints across Duramass hard-coat, UV Anti-Fog, and MAX6 Anti-Fog coatings - 7 variants in all. Match the tint to your light and the anti-fog level to your humidity.
Is it good for sharing between workers or shifts?
The ratchet temples make it easier to re-fit for different wearers, which suits shared-pool or multi-shift eyewear where one pair may pass between heads. Each user just re-clicks the temples to their fit.
Is it over-the-glasses (OTG)?
No - the KD7R is not an OTG frame. Prescription-glasses wearers should look at MCR's OTG models like the Klondike OG2 or a dedicated over-the-glasses frame.
Is it enough, or do I need goggles?
The KD7R protects against impact and debris from the front and sides. It does not seal against a chemical splash hazard, fine dust, or vapor - those need sealed goggles or a face shield. Match the eyewear to your hazard assessment.
Does the ratchet mechanism wear out?
Like any moving part, the ratchet can loosen with heavy use - re-click it if the hold softens, and retire the frame if the temples no longer lock. The lens still governs protection; inspect both together.
How do I care for the lenses?
Rinse grit before wiping and use a microfiber or lens-safe cloth; harsh cleaners strip anti-fog coatings. Retire a lens once scratches enter your line of sight - a scratched safety lens compromises protection.
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.
Brand / Vendor
MCR Safety
Model / SKU
KD7R10
Product Type
Safety Glasses
Price
$9.99 (Amazon)
Availability
Check current availability on Amazon
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Frequently Asked Questions
What is the MCR Safety Klondike KD7R?
The ratchet-temple version of MCR's best-selling KD7 wide-wrap safety glass: the same ANSI/ISEA Z87.1+ high-impact polycarbonate frame and wide coverage, but with temples that click into precise positions for a secure, adjustable fit. It comes in 7 tint-and-coating variants.
What do ratchet-adjustable temples do?
They click into set positions so you can dial the temple angle and length to your head, then they stay put. Workers who find fixed temples either too loose (glasses sliding during active work) or too tight (pressure over a full shift) get one adjustment that holds.
How is the KD7R different from the KD7?
Only the temples. The KD7 has fixed temples; the KD7R adds the ratchet-adjust mechanism on the same wide Klondike frame and Z87.1+ rating. If fit dial-in matters - shared eyewear, PPE layering, or awkward fits - the KD7R is worth the step.
Is it good for wearing with a hard hat or ear protection?
Yes - that's a core reason for the ratchet: hat brims and earmuff cushions change how temples sit, and the adjustable temples let you re-seat the glasses so they stay secure over layered PPE without pinching.
Is it ANSI Z87.1+ rated?
Yes - it carries the ANSI/ISEA Z87.1+ high-impact rating (the '+' marks passing the high-velocity and high-mass impact tests), so it meets the requirement for most industrial eye hazards out of the box.
What tints and coatings are available?
Clear, Gray, Light Blue, and I/O Mirror tints across Duramass hard-coat, UV Anti-Fog, and MAX6 Anti-Fog coatings - 7 variants in all. Match the tint to your light and the anti-fog level to your humidity.
Is it good for sharing between workers or shifts?
The ratchet temples make it easier to re-fit for different wearers, which suits shared-pool or multi-shift eyewear where one pair may pass between heads. Each user just re-clicks the temples to their fit.
Is it over-the-glasses (OTG)?
No - the KD7R is not an OTG frame. Prescription-glasses wearers should look at MCR's OTG models like the Klondike OG2 or a dedicated over-the-glasses frame.
Is it enough, or do I need goggles?
The KD7R protects against impact and debris from the front and sides. It does not seal against a chemical splash hazard, fine dust, or vapor - those need sealed goggles or a face shield. Match the eyewear to your hazard assessment.
Does the ratchet mechanism wear out?
Like any moving part, the ratchet can loosen with heavy use - re-click it if the hold softens, and retire the frame if the temples no longer lock. The lens still governs protection; inspect both together.
How do I care for the lenses?
Rinse grit before wiping and use a microfiber or lens-safe cloth; harsh cleaners strip anti-fog coatings. Retire a lens once scratches enter your line of sight - a scratched safety lens compromises protection.
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.