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Nomex Racing Suits SFI-Certified, In Stock from $299
100% DuPont Nomex racing fire suits with SFI 3.2A certification. Free shipping USA. Save $150 to $800 vs Sparco, Alpinestars, and Simpson.
- SFI 3.2A/1 and SFI 3.2A/5 certified
- 100% DuPont Nomex fire-retardant fabric
- Free shipping USA, 30-day returns
- 6 designs in 1-piece and 2-piece
- 360° Radial Arm Design for unrestricted movement
- Sizes S through 2XL, in stock
$299
SFI-1 Single Layer
$399
SFI-5 Double Layer
In Stock. Ready to Ship
Racing Fire Suit Collection
SFI 3.2A certified Nomex racing suits in 1-piece and 2-piece configurations. Every suit features 360° Radial Arm Design for unrestricted steering movement.
SFI-5 
SFI-5 
Protection Levels
SFI-5 vs SFI-1 — Choose Your Protection Level
The SFI Foundation sets the safety standards for motorsport. Your sanctioning body determines which rating you need.
SFI-5 Double Layer
$399 per suit
- SFI 3.2A/5 Certified
- TPP Rating: 19+ cal/cm²
- Extended flash fire protection
- Two layers of DuPont Nomex
- 360° Radial Arm Design
- Required by NASCAR, NHRA, USAC, ARCA
- Available in 1-piece and 2-piece
SFI-1 Single Layer
$299 per suit
- SFI 3.2A/1 Certified
- TPP Rating: 6+ cal/cm²
- Entry-level flash fire protection
- Single layer DuPont Nomex
- 360° Radial Arm Design
- Lighter weight, better ventilation
- Ideal for karting, autocross, drifting
Which One Do I Need?
Check with your track or sanctioning body. As a rule of thumb: if you race at a national level (NASCAR, NHRA, Sprint Car, USAC, ARCA), you need SFI-5. If you race regionally (dirt track, karting, autocross, drifting, SCCA Solo), most tracks accept SFI-1. When in doubt, go with SFI-5 for maximum protection.
Call Us: (409) 404-0962Verified Certification
SFI Foundation Certified
Every FervoGear suit is independently tested and certified by the SFI Foundation
What Our Certification Means
Every FervoGear racing suit is tested and certified by the SFI Foundation, the recognized authority for motorsport safety standards in North America.
- Official SFI 3.2A certification label sewn in every suit
- Tested for Thermal Protective Performance (TPP)
- Meets requirements for NASCAR, NHRA, USAC, SCCA
- 5-year certification validity from manufacture date
- Independent third-party testing and verification
- Certificate numbers verifiable on sfifoundation.com
Track Approved
Accepted at Every Major Sanctioning Body
NASCAR
NHRA
USAC
SCCA
NASA
IHRA
ARCA
World of Outlaws
Why FervoGear
Why Racers Choose FervoGear
01 
360° Radial Arm Design
FervoGear’s ergonomic radial arm construction follows the natural rotation of your arm. Traditional flat-pattern sleeves bind at the shoulders during the overhead steering position. Our radial cut eliminates binding, reduces fatigue, and gives you full unrestricted movement in the cockpit — exactly where you need it most.
Unrestricted steering motion — zero shoulder binding
02 
100% DuPont Nomex Construction
Every FervoGear suit is made from genuine DuPont Nomex meta-aramid fiber. Nomex doesn’t melt, drip, or support combustion at any temperature. Its flame-resistant properties are inherent to the fiber itself — they never wash out, fade, or diminish. The same material trusted by NASA astronauts, military flight crews, and Formula 1 teams worldwide.
Inherent flame resistance — never washes out
03 
SFI Foundation Certified
Every suit is tested and certified by the SFI Foundation — the governing body for motorsport safety standards. SFI 3.2A/5 double-layer suits provide a TPP of 19+ cal/cm², meeting NASCAR, NHRA, and USAC requirements. SFI 3.2A/1 single-layer suits provide a TPP of 6+ cal/cm² for karting, autocross, and dirt track. Each suit ships with an official SFI certification label sewn inside.
Official SFI 3.2A certification label included
04 
1-Piece 
2-Piece
1-Piece 2-Piece 1-Piece & 2-Piece Options
Choose the configuration that fits your racing style. 1-piece suits are the traditional single-garment design preferred by most professional drivers. 2-piece suits with separate jacket and pants are easier to get in and out of — popular with pit crews and team drivers who need to partially remove the suit between sessions. Both configurations offer identical SFI-certified protection.
Same protection level in both configurations
LIVE FIRE TEST
Live Burn Test
Tested Under Fire
We put our Nomex racing suits through a direct-flame burn test to prove their fire resistance. The DuPont Nomex fabric chars and thickens under flame exposure, creating a protective insulating barrier between the fire and the driver. It does not melt, drip, or support combustion.
- Nomex chars instead of melting — forms insulating barrier
- SFI-5 provides extended protection in flash fire
- Does not melt, drip, or support combustion at any temperature
- Flame resistance is inherent — never washes out
- Every FervoGear suit passes the same burn test
Material Science
What is Nomex? The Science Behind Fire Protection
Nomex is a meta-aramid fiber developed by DuPont in the 1960s. Originally created for aerospace and military applications, Nomex has become the gold standard for flame-resistant fabric in professional motorsport. Every FervoGear racing suit is constructed from 100% DuPont Nomex — the same material trusted by NASA astronauts, military flight crews, and Formula 1 drivers worldwide.
How Does Nomex Protect You?
When exposed to extreme heat or direct flame, Nomex undergoes a unique chemical transformation. Instead of melting or burning like synthetic fabrics, the meta-aramid fibers char and thicken, forming a dense, insulating barrier between the flame and your skin. This carbonization process absorbs energy from the heat source and dramatically slows thermal transfer to the body, buying critical time for driver extraction.
Unlike chemically treated fabrics where flame resistance is applied as a surface coating, Nomex’s fire-resistant properties are inherent to the molecular structure of the fiber itself. This means the protection never washes out, fades, or diminishes over the life of the suit. After 100 washes, a Nomex suit offers the same level of protection as the day it was manufactured.
Why Nomex Over Other Materials?
Treated cotton and polyester blends lose their flame resistance after repeated washing and wear. Carbon fiber composites are rigid and restrict movement. Nomex delivers the rare combination of inherent flame resistance, lightweight comfort, and full range of motion that racing demands. It resists temperatures exceeding 370°C (700°F) without breaking down, and it does not melt, drip, or support combustion at any temperature.
TPP Ratings Explained
Thermal Protective Performance (TPP) measures how effectively a fabric system protects against second-degree burns in a flash fire scenario. The TPP value represents the energy in calories per square centimeter (cal/cm²) required to cause a second-degree burn through the fabric. Higher TPP values mean more protection time. FervoGear SFI-1 suits achieve a TPP of 6+ cal/cm² (entry-level protection), while our SFI-5 double-layer suits achieve 19+ cal/cm² (extended protection).
700°F+
Temperature Resistance
19+
TPP (SFI-5) cal/cm²
6+
TPP (SFI-1) cal/cm²
19+
SFI-5 TPP Rating
100%
DuPont Nomex Fabric
0%
Protection Loss After Washing
Racing Requirements
Which Suit For Your Racing Discipline
Different sanctioning bodies have different fire suit requirements. Here is a breakdown of which SFI rating you need for your type of racing.
SFI 3.2A/5 Required
National & Professional Racing
Most national-level sanctioning bodies require the higher SFI-5 protection level. These series involve higher speeds, more fuel, and greater fire risk. An SFI-5 double-layer Nomex suit is mandatory for competition.
- NASCAR (all series — Cup, Xfinity, Trucks, ARCA)
- NHRA (all professional and sportsman classes)
- Sprint Car (World of Outlaws, USAC National)
- USAC (Silver Crown, Midgets, Sprint Cars)
- ARCA Menards Series
- Late Model Stock Car (most national touring series)
- Super Late Models (regional and national)
- Drag racing over 200 MPH or 7.49 seconds ET
SFI 3.2A/1 Accepted
Regional & Entry-Level Racing
Many regional tracks and lower-speed disciplines accept the lighter SFI-1 single-layer Nomex suits. The reduced weight and improved breathability make SFI-1 an excellent choice for endurance events and hot-weather racing. Always verify with your specific track.
- Dirt track racing (most local and regional tracks)
- Karting (all levels)
- Autocross / SCCA Solo
- Drifting (Formula Drift, local events)
- Time attack and hill climb
- Road course track days (HPDE with competition license)
- Drag racing under 200 MPH and slower than 7.49 ET
- Demolition derby and endurance races
Not sure which suit you need for your racing? Call us — we will help you pick the right one.
(409) 404-0962Value Comparison
FervoGear vs The Competition
Same SFI-certified Nomex construction. Same protection. $150–$800 less than the big-name brands.
| Feature | FervoGear | Competitors |
|---|---|---|
| SFI-5 Double Layer Price | $399 | $549 – $1,199 |
| SFI-1 Single Layer Price | $299 | $449 – $699 |
| Material | 100% DuPont Nomex | 100% Nomex |
| SFI Certification | SFI 3.2A | SFI 3.2A |
| Free Shipping | Yes — USA | Varies ($15–$40) |
| Processing Time | 3-5 Business Days | 2–7 Business Days |
| Return Policy | 30-Day Full Refund | Varies (14–30 days) |
| Radial Arm Design | 360° Standard | Select models only |
Save $150 – $800
Compared to similar SFI-certified Nomex racing suits from major competitors. Same material, same certification, same protection — without the markup.
Real Drivers
What Racers Are Saying
Jake C.
“The fit and quality are on par with suits that cost twice as much. The 360-degree arm design makes a noticeable difference behind the wheel. Shipped fast, arrived perfect.”
Verified Purchase
Mike R.
“Compared this to my buddy’s RaceQuip that cost $600. Honestly can’t tell the difference in quality. The Nomex feels legit and the SFI label is right there. Best value in racing gear, period.”
Verified Purchase
Derek T.
“Ordered Sunday, got it Thursday. Fits like it was measured for me. I race autocross in Florida heat and the single-layer breathes way better than my old Sparco. Already ordered a second one for my co-driver.”
Verified PurchaseFit Guide
Size Chart
Measure yourself wearing lightweight clothing. If you are between sizes, size up for comfort.
| Size | Chest | Waist | Height | Weight |
|---|---|---|---|---|
| S | 34–36″ | 28–30″ | 5′4″–5′7″ | 120–145 lbs |
| M | 38–40″ | 32–34″ | 5′7″–5′10″ | 145–175 lbs |
| L | 42–44″ | 36–38″ | 5′10″–6′1″ | 175–205 lbs |
| XL | 46–48″ | 40–42″ | 6′0″–6′3″ | 205–235 lbs |
| 2XL | 50–52″ | 44–46″ | 6′2″–6′5″ | 235–270 lbs |
Need help with sizing? Call (409) 404-0962 — we will help you find the right fit.
Policies
Shipping & Returns
Free Shipping
Every pre-made racing suit ships free to the United States. No minimum order, no codes needed.
- FREE shipping to USA
- 3-5 business days processing
- Orders ship within 3-5 business days
- 5–7 business days delivery via UPS
Easy Returns
Not the right fit? No problem. We make returns simple so you can order with confidence.
- 30 days — full refund, no questions
- 30–90 days — refund with 15% restocking fee
- Suits must be unworn with tags attached
- Contact us for a prepaid return label
Common Questions
Frequently Asked Questions
Everything you need to know about FervoGear Nomex racing fire suits, SFI certification, sizing, and ordering.
Yes. Every FervoGear pre-made racing suit is SFI 3.2A certified by the SFI Foundation. Our SFI-5 double-layer suits carry an SFI 3.2A/5 rating, while our SFI-1 single-layer suits carry an SFI 3.2A/1 rating. Each suit ships with an official SFI certification label sewn inside.
SFI-1 suits are single-layer Nomex with a TPP (Thermal Protective Performance) rating of 6+ cal/cm², providing entry-level protection in a direct flash fire. SFI-5 suits are double-layer Nomex with a TPP of 19+ cal/cm², providing extended protection. Most national sanctioning bodies like NASCAR, NHRA, and USAC require SFI-5, while regional tracks and karting often accept SFI-1.
FervoGear pre-made suits are available in sizes Small through 2XL. Small fits chest 34–36 inches, Medium 38–40 inches, Large 42–44 inches, XL 46–48 inches, and 2XL 50–52 inches. See our detailed size chart with height and weight recommendations on this page. If you need a size outside this range, our custom suit program starts at $599.
All pre-made suits are in stock and ship within 3-5 business days. Delivery takes 5–7 business days via UPS. Shipping is free within the USA.
Every FervoGear suit is made from 100% DuPont Nomex, a meta-aramid fiber that provides inherent flame resistance. Unlike chemically treated fabrics where flame resistance can wash out over time, Nomex’s flame-resistant properties are built into the molecular structure of the fiber and will never diminish. This is the same material used by NASA, military flight crews, and professional racing teams worldwide.
FervoGear offers a 30-day full refund return policy. Returns made between 30 and 90 days are accepted with a 15% restocking fee. Suits must be unworn and in original condition with all tags attached.
Yes. In addition to our pre-made designs, FervoGear offers fully custom racing suits starting at $599. Custom suits include your choice of colors, logos, sponsor patches, and custom sizing. Visit fervogear.com/custom-race-suit/ to start your custom order.
Yes. Our SFI-5 double-layer suits carry the SFI 3.2A/5 certification, which meets or exceeds the requirements for NASCAR, NHRA, USAC, ARCA, Sprint Car, and all other major national sanctioning bodies. The SFI 3.2A/5 rating is the standard requirement for professional and semi-professional racing in the United States.
Machine wash your Nomex suit in cold water on a gentle cycle. Use a mild detergent — never use bleach or fabric softener, as these can damage the Nomex fibers. Hang dry only; do not put Nomex in a dryer. Do not iron. Store in a cool, dry place away from direct sunlight. Proper care maintains the protective properties and extends the life of your suit.
FervoGear suits are covered by the SFI Foundation’s certification period, which is valid for 5 years from the date of manufacture. The manufacture date is printed on the SFI label inside the suit. We also guarantee our suits against manufacturing defects in materials and workmanship.
The 360° Radial Arm Design is FervoGear’s ergonomic sleeve construction that allows unrestricted arm movement and steering motion. Traditional flat-pattern sleeves bind at the shoulders during the overhead steering position. Our radial cut follows the natural rotation of the arm, reducing fatigue and improving comfort during long races.
Ready to Race?
Ready to Suit Up?
SFI-certified Nomex racing fire suits, in stock and ready to ship. Free shipping USA. 30-day returns.
$299
SFI-1 Single Layer
$399
SFI-5 Double Layer
Questions? Call (409) 404-0962
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