Ariat Ariat FR M4 Workhorse Khaki Pants - NFPA 2112 in 11 oz. FR Canvas (88% Cotton, 12% Nylon)

Ariat Fr M4 Workhorse Khaki Pants

Ariat

$129.99 - $134.99
(15 reviews) Write a Review
SKU:
10017227
Availability:
Usually Ships in 2 to 3 Business Days
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Ariat FR M4 Workhorse Khaki Pants

Built for the toughest industrial environments, the Ariat FR M4 Workhorse Khaki Pants combine heavy-duty durability with essential flame-resistant protection. Constructed from rugged 11-ounce canvas, these pants are engineered to withstand the rigors of oilfields and welding sites while maintaining a relaxed, comfortable fit. Featuring a boot-cut leg opening that stacks easily over safety footwear and a specialized multi-tool pocket system, the M4 Workhorse is the go-to choice for professionals who need gear that works as hard as they do.

Key Features

Fabric Composition 11 oz. FR Canvas (88% Cotton, 12% Nylon)
Safety Compliance CAT 2, NFPA 2112, NFPA 70E
Fit Profile M4 Relaxed Fit with Boot Cut Leg
Pocket Configuration Hidden phone pocket, flat hammer loop, multi-tool pocket
Construction No-rub comfort inseams, reinforced hem guard

Benefits

Industrial Durability The 11-ounce canvas weave resists tears and abrasions common in rough work environments like refineries.
Functional Storage Integrated utility pockets and hammer loop keep essential tools accessible for electricians and carpenters.
Arc Flash Protection CAT 2 rated fabric provides a thermal barrier against arc flash and flash fire hazards.
Boot Compatibility Wide boot-cut leg opening fits comfortably over heavy-duty logger or wedge-sole work boots.

Specifications

Brand Ariat
SKU 10017227
Material Flame Resistant Canvas
Gender Men's
Color Khaki

Usage & Fit

  • Relaxed Fit: Generous cut through the seat and thigh allows for unrestricted movement during climbing or kneeling.
  • Boot Cut: Designed to drape over standard and heavy-duty safety toe boots without bunching.

Ideal For

  • Oil & Gas Workers: Heavy canvas construction withstands contact with rough machinery and abrasive surfaces.
  • Electricians & Linemen: CAT 2 compliance ensures necessary protection for arc flash hazard zones.
  • Welders: Durable fabric resists pinhole burns from light sparks and slag better than standard cotton.

Ordering & Support

Shipping Free Shipping on orders over $74.99 (Contiguous U.S.)
Price Match Low Price Guarantee - We will beat better prices.
Returns Easy returns processing for unworn items.

Equip yourself with the Ariat FR M4 Workhorse Khaki Pants for a superior balance of safety and utility. Whether you are climbing poles or welding pipe, these pants deliver the certified protection and rugged comfort required for the job. Order today from FR Depot and take advantage of our fast shipping and low price guarantee.

15 Reviews

  • 5
    Great

    Posted by Brandon Bender on May 13th 2025

    Bad ass welding pants

  • 5
    First time happy buyer

    Posted by Steve from Maine on Mar 16th 2021

    This is my first time using FR Depot. I've been using FR clothing for many years. Great selection, fast service, and fast shipping

  • 5
    Excellent

    Posted by Harold lester on Aug 25th 2020

    Read above

  • 5
    Review

    Posted by Colbie Christ on Jul 26th 2020

  • 5
    Review

    Posted by Antonietta Chase on Mar 10th 2020

  • 5
    Review

    Posted by Tanner Bullock on Feb 28th 2020

  • 4
    Review

    Posted by Michael Pearce on Dec 4th 2019

  • 5
    Great Pants

    Posted by MT on Oct 26th 2019

    Great Pants! I had to go down a waist size and length size but fit great now. All the pockets are very handy.

  • 4
    Great pants

    Posted by Unknown on Jun 22nd 2019

Frequently Asked Questions

Q: How does the 11oz canvas of the Ariat M4 Workhorse benefit oilfield workers compared to standard denim?

A: The 11oz canvas used in the Ariat M4 Workhorse is tighter-woven and generally more abrasion-resistant than standard FR denim. For oilfield workers dealing with rough equipment and abrasive surfaces, this canvas construction resists tears and snags more effectively, extending the garment's lifespan in harsh conditions.

Q: Are the utility pockets on these khaki pants reinforced for heavy tools used by electricians?

A: Yes, the Ariat M4 Workhorse pants feature a flat hammer loop and a dedicated multi-tool pocket designed to support the weight of pliers, testers, or hammers without sagging. The reinforced construction ensures these high-stress areas hold up to the daily demands of electrical work.

Q: Does the 'Boot Cut' leg opening on this specific SKU fit over logger-style climbing boots?

A: Yes, the Boot Cut design of the M4 Workhorse is specifically engineered with a wider leg opening to accommodate bulky footwear, including logger-style climbing boots and wedge-sole safety boots, ensuring the pant leg stays down to protect the ankle and boot shaft.

Q: What specific safety standards do these Ariat FR pants meet for refinery access?

A: These pants are CAT 2 rated and meet both NFPA 2112 (for flash fire) and NFPA 70E (for arc flash) standards. This dual compliance makes them suitable for most refinery and petrochemical sites requiring daily wear FR clothing.

Q: How does the 'No-Rub Comfort Inseam' improve comfort for workers who walk long distances?

A: The No-Rub Comfort Inseam removes the bulky, protruding seam often found in heavy work pants. For professionals walking long distances or constantly crouching, this flat-seam construction prevents chafing and irritation along the inner thigh, significantly improving all-day comfort.