SKU: 70581884237

FR21 Long Johns

Sale price$127.80 Regular price$142.00
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USA
  • USA
  • CAN

Ships within 48 hours · Estimated delivery Jul 28 - Aug 2

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Description

FR21 Long JohnsA lightweight FR long john for those cool days. The FR21 is made using Kermel Lenzing jersey knit fabric to create industry leading softness and comfort. This baselayer is also inherently FR, does not melt or drip, and provides Cat 1 ARC protection. Don't sacrifice comfort for protection, get the best of both worlds with Stanfield's FR. Size: S 3XL Color: Navy Fabric: 50% Kermel 50% Lenzing Jersey knit 5oz. CAT1 5. 7 Cal cm ATPV Full Length leg with

A lightweight FR long john for those cool days. The FR21 is made using Kermel/Lenzing jersey knit fabric to create industry leading softness and comfort. This baselayer is also inherently FR, does not melt or drip, and provides Cat 1 ARC protection. Don't sacrifice comfort for protection, get the best of both worlds with Stanfield's FR.

  • Size: S-3XL
  • Color: Navy
  • Fabric: 50% Kermel/50% Lenzing 
  • Jersey knit - 5oz.
  • CAT1 - 5.7 Cal/cm² ATPV
  • Full Length leg with rib cuffs. 
  • Elastic waist with fly
  • Standards
    • NFPA 70E-CAT1
    • ASTM F1506
    • CSA Z462-CAT1
Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 70581884237

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4.0 ★★★★★
Based on 29 reviews
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Verified Purchase
Jeannie Moore
West Palm Beach, US
★★★★★ 5
Love my socks!
They fit perfect!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 19, 2026
P
Verified Purchase
PPeter
Belleville, US
★★★★★ 1
Too large. Correct size not depicted.
SIZE 10-14... Too large. Product details says "Regular" size. Returning.
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Reviewed in the United States on March 16, 2026
S
Verified Purchase
Stacey Lovejoy
Battle Creek, US
★★★★★ 2
Too big
The one size fits all was too big for me.
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Reviewed in the United States on March 10, 2026
M
Verified Purchase
Maranda
Massapequa, US
★★★★★ 5
Great fit
Size: Medium, Color: White
Perfect fit and they don't slide off the back of your ankle.
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Reviewed in the United States on March 16, 2026
J
Verified Purchase
Jessica Burdett
San Leandro, US
★★★★★ 5
Best socks!
Size: Medium, Color: Blue
I love these socks! They last for years and they fit so nicely on my feet. I love that I can wear the in tennis shoes or wool boots and they never move!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on October 21, 2025

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