MCR Safety MU3664K-XXXL Mustang HiDex Goatskin Kevlar FR Gloves — XXX- Review (2026)
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★★★★½ 4.6/5
Reviewed by Steven Eaton, WC Safety Editorial
| Brand | MCR Safety |
|---|---|
| Category | Cut-Resistant Gloves |
| Typical price | $31.45 |
| Model / SKU | MU3664K-XXXL |
The MCR Safety MU3664K-XXXL Mustang HiDex Goatskin Kevlar FR Gloves — XXX-Large is a cut-resistant gloves from MCR Safety, stocked at $31.45. This review restates what the product page documents, places it in its hand protection lane, and points to the ranked guides for the head-to-head field.
What the Product Page Documents
The MCR Safety MU3664K-XXXL Mustang HiDex Goatskin Kevlar FR Gloves in XXX-Large provide utility-grade hand protection in the largest standard glove size in the Mustang HiDex series. Built with a genuine goatskin leather palm and a Kevlar liner, SKU MU3664K-XXXL delivers natural leather dexterity, inherent cut resistance from the aramid fiber construction, and the flame-resistant characteristics of Kevlar — making these gloves appropriate for utility line work, welding-adjacent tasks, electrical maintenance, and general industrial applications where FR protection is a program requirement. The drivers-style cut maximizes palm dexterity and wrist mobility, while the XXX-Large size addresses a segment of the workforce with larger hands that standard industrial glove programs frequently underserve. Available for B2B procurement at wcsafety.com.
Goatskin leather has a well-established reputation in the PPE industry as the premium natural leather material for gloves requiring both dexterity and durability. Compared to cowhide, goatskin is lighter, thinner, and more conformable, and its natural lanolin content provides a degree of inherent moisture resistance. For utility linemen, electricians, and maintenance workers who need to manipulate wires, cables, and components while wearing gloves, goatskin's ability to transmit tactile feedback through the palm is a practical performance advantage. The MU3664K-XXXL uses genuine goatskin — not split leather or synthetic alternatives — ensuring workers in the XXX-Large size range have access to the same premium material as those in smaller standard sizes.
The Kevlar liner underlying the goatskin palm provides two distinct performance benefits. The first is cut resistance: Kevlar (DuPont's registered trademark for para-aramid fiber) has a high tensile strength relative to its weight, and woven Kevlar fabric resists cutting and tearing forces effectively as a glove liner. The second is flame resistance: Kevlar is an inherently FR fiber, meaning its flame-resistant properties are a chemical characteristic of the polymer chain structure, not a topical treatment that can wash out or wear away. For utility line workers and welding-adjacent tasks — environments where an arc flash or weld spatter event can cause brief but intense thermal exposure to the hands — a Kevlar-lined glove provides meaningful incremental protection over non-FR alternatives.
Where It Earns Its Slot
Where it earns its slot: The MCR Safety MU3664K-XXXL Mustang HiDex Goatskin Kevlar FR Gloves in XXX-Large provide utility-grade hand protection in the largest standard glove size in the Mustang HiDex series. Built with a genuine goatskin leather… The product page carries the full documented configuration; this review deliberately restates rather than embellishes it — claims beyond the listing don't appear here.
Honest Limits
Its honest limits: like every hand protection product, it protects within its stated ratings and use lane only — the family FAQ below draws those boundaries, and the guides linked underneath rank it against its true alternatives. Where the listing is silent on a spec, so are we; verify markings and instructions on arrival.
Pros and Cons
Pros
- Documented cut-resistant gloves from MCR Safety
- Model MU3664K-XXXL — traceable part number
- Listing-grounded specs — nothing invented here
Cons
- Configuration options live on the linked listing
- Where the listing is silent on a rating, verify the physical markings
Alternatives in the Same Lane
- SAS Safety Thickster Powder-Free Latex Gloves — 14 Mil
- MCR Safety PD6901 Predator Impact Gloves
- MCR Safety PD4900 Predator Impact Gloves
- MCR Safety PD43612 Predator Impact Gloves, Goatskin A9 Cut (
- MCR Safety PD4906 Predator Impact Gloves, Hi-Vis Reflective
- MCR Safety PD3430 Predator Impact Gloves, Sasquatch Leather
- MCR Safety FF2930 ForceFlex Impact Gloves, D3O Mechanics (Sm
- MCR Safety PD4971 Predator Impact Gloves
- MCR Safety PD6952 Predator Impact Gloves, A7 Cut, Level 2 Im
Hand Protection Guides
- Cut-Resistant Gloves Complete Guide
- Best Cut-Resistant Gloves
- Best Impact-Resistant Gloves
- Nitrile Gloves Complete Guide
- Best Mechanics Gloves
Browse by Category
- Cut-Resistant Gloves
- Impact-Resistant Gloves
- Nitrile Gloves
- Leather Work Gloves
- Chemical-Resistant Gloves
- Mechanics Gloves
Frequently Asked Questions
How much does the MCR Safety MU3664K-XXXL Mustang HiDex Goatskin Kevlar FR Glo cost?
$31.45 at the linked listing — prices track the live page, and configuration choices there can shift the number.
What does the MCR Safety MU3664K-XXXL Mustang HiDex Goatskin Kevlar FR Glo listing actually document?
The MCR Safety MU3664K-XXXL Mustang HiDex Goatskin Kevlar FR Gloves in XXX-Large provide utility-grade hand protection in the largest standard glove size in the Mustang HiDex series. Built with a genuine goatskin leather palm and a Kevlar liner, SKU MU3664K-XXXL delivers natural leather dexterity, i…
What are the alternatives to the MCR Safety MU3664K-XXXL Mustang HiDex Goatskin Kevlar FR Glo?
The sibling cut-resistant gloves options linked in this review, ranked head-to-head in the hand protection guides below — start with the buyer's guides for the field view.
What do ANSI cut levels A1-A9 mean?
Grams of force a blade needs to cut through in standardized testing — A1 (200g) through A9 (6,000g+). Match the level to the hazard: A2-A4 covers general handling, A5+ for glass, sheet metal, and blades. The level on the listing is the level.
What does ANSI/ISEA 138 cover?
Back-of-hand impact protection, levels 1-3 — the standard behind rated impact gloves. TPR padding without a stated 138 level is comfort-tier protection; the reviews here keep that distinction explicit.
What does glove mil thickness mean?
One mil = 0.001 inch of film thickness on disposables. Thicker resists tears and lasts longer; thinner gives feel. Exam-grade 3-5 mil for light tasks, 6-8+ mil for shop duty — polymer choice still matters more than thickness.
Nitrile, latex, or vinyl — which disposable?
Nitrile for chemical splash and punctures (and latex allergies), latex for elasticity and feel where allergies permit, vinyl for cost-sensitive light tasks. The complete guide linked below runs the decision in full.
How do I size work gloves correctly?
Measure palm circumference and match the maker's chart — patterns differ across brands. Coated and cut-resistant knits should fit snug; a loose cut glove wrinkles and snags exactly where the blade lands.
When do coated work gloves get replaced?
When the coating wears through at fingertips or palm, when knit runs appear, or when embedded grime stiffens the shell. Coating breach on a cut-rated glove ends the rating where it matters most.
Can cut-resistant gloves be washed?
Most knit cut gloves take machine washing per their listing's care line — it extends life materially. Disposables never; coated gloves depend on the coating chemistry. Check the listed care instructions.
Are cut-resistant gloves puncture-proof?
No — cut resistance measures blade slicing, not needle puncture; hypodermic protection is a separate rating few gloves carry. Sharps handling needs gloves rated for the actual mechanism.
Do food tasks need special gloves?
Food-contact-safe marking on the listing is the gate — several cut-resistant and nitrile lines carry it for food processing. A shop glove without the marking stays out of the kitchen.
What does OSHA require for hand protection?
29 CFR 1910.138: gloves matched to the assessed hazard — cut, chemical, thermal, or general mechanical. The assessment picks the rating class; the listing's stated levels tell you whether a glove satisfies it.
Why do gloves come in dozens on some listings?
Consumable economics — coated and disposable gloves are bought by the dozen or case because替 rotation and replacement are the model. Per-pair math on the case price is the honest comparison.
Touchscreen compatibility — real or marketing?
Real where listed — conductive fingertip yarns work. The tradeoff is usually a thinner tip, which matters on cut-rated gloves; the listing states both or neither.
The Bottom Line
Rated 4.6/5 on documented spec, configuration, and value. The MCR Safety MU3664K-XXXL Mustang HiDex Goatskin Kevlar FR Gloves — XXX- does the job its listing describes — the guides above tell you whether it's the right pick against the field.
About the Author
Steven Eaton is the founder of WC Safety and an industrial PPE specialist who sources and evaluates hand protection equipment for industrial and construction buyers.
How We Review
Hand-protection reviews restate ANSI/ISEA 105 cut levels, ANSI/ISEA 138 impact levels, and mil thicknesses exactly as each listing states them — never inferred from appearance or price. Where a listing claims no level, the review says so and treats the glove as unrated for that hazard. Ratings reflect documented spec, configuration, and value — the basis is stated, not invented testing.
Affiliate Disclosure
WC Safety is an Amazon Associate and earns commissions on qualifying purchases through links on this page. Affiliate relationships do not influence our ratings.
Editorial Standards
Claims are drawn from listing data and published standards. WC Safety does not invent specifications or test results. Report errors to safetynw2012@gmail.com.
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