CrewBoss Gen II Response Jacket — Sigma 4 Star
SKU: 4338927893

CrewBoss Gen II Response Jacket — Sigma 4 Star

Sale price$169.20 Regular price$188.00
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Description

CrewBoss Gen II Response Jacket — Sigma 4 StarGEN II RESPONSE JACKET 7. 0 OZ SIGMA 4 STAR NOMEX IIIA YELLOW The future of single layer wildland PPE has arrived with the introduction of the CrewBoss Gen II Response Jacket. This NFPA 1977 certified jacket achieves new levels of breathability, thermal protection, and comfort. Combine the CrewBoss Gen II Response Jacket with a pair of CrewBoss Gen II Tactical or Uniform Pants, and you have the most advanced wildland garment system on the market.

 

GEN II RESPONSE JACKET
7.0 OZ SIGMA 4 STAR NOMEX IIIA YELLOW

The future of single-layer wildland PPE has arrived with the introduction of the CrewBoss Gen II Response Jacket. This NFPA 1977 certified jacket achieves new levels of breathability, thermal protection, and comfort.

Combine the CrewBoss Gen II Response Jacket with a pair of CrewBoss Gen II Tactical or Uniform Pants, and you have the most advanced wildland garment system on the market.

About the Gen II Program

The Gen II system created in conjunction with the US Department of Homeland Security, the Army’s Natick research center, and numerous other government agencies. The goal of the program was to develop garments that could offer optimal protection against the risks faced by modern wildland firefighters. Flame resistance was a priority, but a high emphasis was also placed on breathability to reduce the risk of heat stroke and exhaustion in warm environments.

The program set high standards, all of which are met or exceeded by the CrewBoss Gen II Garment System.

Features

  • Certified to NFPA 1977
  • Extra-large YKK zipper closure
  • Sewn-in radio pocket
  • Bellowed chest pocket lies flush when not in use
  • Dual mic tabs
  • Scotchlite silver reflective trim on both biceps
  • Hook & loop collar closure
  • Hook & loop cuff closure
  • Bi-swing back for added mobility

    Sigma 4 Star

    Using a revolutionary, proprietary fiber blends Sigma 4 Star fabric offers high levels of thermal protection, while still being exceptionally breathable.

    Blend
    45% meta-aramid
    32% Lenzing FR®
    17% Polyamide
    6% para-aramid

    Thermal Protection Specs

    • Heat protection (RPP): 11.5 cals/cm²
    • Breathability (THL): 752 W/m²

       

      Sizing Chart Lead times during fire season

      Note: CrewBoss garments are available in additional sizes not shown in our shopping cart. There are also many additional options, such as zippers, reflective trim, etc., that may be added. Kindly call our Customer Service Team at 800-759-3473 or send an email to [email protected] to discuss your requirements.

      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: 4338927893

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      ckrank424
      Belleville, US
      ★★★★★ 5
      Fits well and well made
      Size: 46W x 29L Big, Color: Coast - Gray Fleece Lined
      Hubby needed new jeans. I wanted a lighter color but these work just fine. They look good, fit well, and appear well made
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      Reviewed in the United States on March 24, 2026
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      BJC
      Grantham, US
      ★★★★★ 4
      Made in Mexico
      Size: 52W x 29L, Color: Lieutenant
      Made in Mexico. Good fit. Wondering if there will be much shrinkage.
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      Reviewed in the United States on March 18, 2026
      B
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      bluesrockerman
      Lake Worth, US
      ★★★★★ 5
      Very comfortable mens jeans
      Size: 46W x 28L, Color: Night Shade
      I buy these jeans for my bother year after year. Very comfortable and true to size. They do not feel rough or stiff. They hold up very well wash after wash. Definitely worth the money.
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      Reviewed in the United States on December 27, 2025
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      Lorna
      Lowell, US
      ★★★★★ 5
      Great quality and price
      Size: 44W x 29L, Color: Lieutenant
      Very nice and great price. We only returned them because they weren’t the color or fit my husband was looking for. They were a gift so I based the purchase off his description. The jeans were exactly as described by the seller.
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      Reviewed in the United States on May 7, 2026
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      Tony
      Pawtucket, US
      ★★★★★ 5
      Good jeans
      Size: 44W x 30L, Color: Lieutenant
      Nice fit. Looks dressy enough for work or play. Comfortable enough, a little stiff fabric though. Holding up nicely to use and washing.
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      Reviewed in the United States on November 9, 2025

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