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NASCO 4501TFO Sentinel FR CAT 2 High-Viz Orange Rain Overall

MSRP: $247.99
ARIS Low Unit Price: $143.68
You save $104.31
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NASCO 4501TFO Sentinel FR CAT 2 High-Viz Orange Rain Bib Overall


The best selling Sentinel 4000 Series of PPE by Nasco includes model 4501TFYO, the FR CAT 2 High-Viz Orange Rain Bib Overall. Made in the USA, this overall has an ANSI Class E rating. Combine with any Class 2 jacket in the Sentinel 4000 Series for a full ANSI Class C rating appropriate for electrical and gas maintenance or utilities, meter servicing or storm restoration crews. The overalls are Flash Fire and Arc resistant to provide protection in uncertain circumstance where downed power lines or damaged gas lines are a potential threat. The dielectrically welded seams keep you dry even in pounding rains. The 4501FYO model has a moisture/chemical barrier on the outside to protect against chemical splash burns and is 100% FR cotton knit on the inside for added comfort during extended wear.


  • Hi Vis Orange Bib Style Trouser
  • Quick Release Suspender System
  • Fly Front with Snap
  • Velcro Tab type Leg Cuff Adjusters
  • 3M Scotchlite 2 In. Reflective Trim around Calves and Knees
  • 100% FR Cotton Knit
  • FR Polyurethane Moisture / Chemical barrier
  • Dielectrically Welded with Safety Stitch
  • Waterproof & Windproof
  • Long and Tall sizes available
  • Long Sizes: 2 In. added in Sleeve Length, body Length & Inseam Length
  • Tall Size: 4 In. added in Sleeve Length, body Length & Inseam Length
  • Color Orange
  • NASCO Sentinel 4000 Model # 4501TFO
  • Made in the USA by NASCO

To learn more about what type of Rainwear you should wear based on chemicals you may be exposed to, refer to NASCO's Chemical Chart Guidelines here.

View NASCO Chemical Chart

To learn more about Hi Vis Rain Wear check out NASCO's Hi Visibility Overview and what NASCO model best meets your requirements.

View NASCO Hi Vis

Performance Standards

  • Arc Resistant: ASTM F1891, NFPA 70E
  • Arc ATPV: 14 Cal/cm²
  • HAF 87%; Break open 28 Cal/cm²
  • FR PPE CAT 2 / HRC 2
  • Flash Fire Resistant: ASTM F2733
  • Chemical Penetration: ASTM F903
  • ANSI 107-2010 Class E Level 2

Recommended Industries

  • Electric & Gas Utilities
  • Gas & Oil Extraction
  • Electrical Maintenance
  • Electrical Switching
  • Meter Service
  • Storm Restoration
Do you want to be satisfied with your purchase when it arrives? Ensure your order is the Perfect Fit!.

Make sure that you are ordering the correct Clothing Size before you place your order. Take a look at the NASCO Sizing Chart where you can learn how to measure a person and what measurements equate to NASCO Clothing Sizes.

Click To View NASCO Sizing Chart

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