Fire Retardant Underwear Tops
Upgrade your race-day protection and comfort with fire retardant underwear tops from Phantom Motorsports. Essential for anyone competing in motorsports, these lightweight, breathable long-sleeve shirts fit easily under your driving suit and provide an additional layer of flame and heat resistance. SFI- and FIA-certified, our tops not only increase your margin of safety and escape time in case of fire—they also wick away sweat to keep you cool, dry, and focused so you can perform at your best.
At Phantom Motorsports, we select only fire-retardant tops made with advanced materials like Nomex, CarbonX, and other aramid blends trusted by racers worldwide. Designed for a snug yet flexible fit, our tops won’t bunch or restrict movement under your suit. With styles and sizes for men, women, and youth, you’ll find the right layer to meet sanctioning rules, complete your base layer system, and race with peace of mind every time you hit the track.
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K1 Racegear Undershirt Precision Black Medium 26-Pls-N-M
K1 RACEGEAR
$99.41Underwear Top - Precision - SFI 3.3 - Long Sleeve - High Collar - Nomex - Black - Medium - Each$99.41 -
K1 Racegear Undershirt Precision Black Large 26-Pls-N-L
K1 RACEGEAR
$99.00Underwear Top - Precision - SFI 3.3 - Long Sleeve - High Collar - Nomex - Black - Large - Each$99.00 -
Pxp Racewear Underwear T-Shirt Black Xx-Large 136
PXP RACEWEAR
$99.99Underwear Top - Short Sleeve - Crewneck - Kermel/Lenzing FR - Black - 2X-Large - Each$99.99 -
Bell Helmets Underwear Pro-Tx Top Black 2X Large Sfi 3.3/5 Br40015
BELL HELMETS
$101.74Underwear Top - Pro-TX - SFI 3.3/5 - Long Sleeve - Crew Neck - Fire Retardant Blend - Black - 2X-Large - Each$101.74 -
Bell Helmets Underwear Pro-Tx Top Black X Large Sfi 3.3/5 Br40014
BELL HELMETS
$101.74Underwear Top - Pro-TX - SFI 3.3/5 - Long Sleeve - Crew Neck - Fire Retardant Blend - Black - X-Large - Each$101.74 -
Bell Helmets Underwear Pro-Tx Top Black Large Sfi 3.3/5 Br40013
BELL HELMETS
$99.95Underwear Top - Pro-TX - SFI 3.3/5 - Long Sleeve - Crew Neck - Fire Retardant Blend - Black - Large - Each$99.95 -
Bell Helmets Underwear Pro-Tx Top Black Medium Sfi 3.3/5 Br40012
BELL HELMETS
$101.74Underwear Top - Pro-TX - SFI 3.3/5 - Long Sleeve - Crew Neck - Fire Retardant Blend - Black - Medium - Each$101.74 -
Bell Helmets Underwear Pro-Tx Top Black Small Sfi 3.3/5 Br40011
BELL HELMETS
$101.74Underwear Top - Pro-TX - SFI 3.3/5 - Long Sleeve - Crew Neck - Fire Retardant Blend - Black - Small - Each$101.74 -
Bell Helmets Underwear Pro-Tx Top White 2X Large Sfi 3.3/5 Br40005
BELL HELMETS
$101.74Underwear Top - Pro-TX - SFI 3.3/5 - Long Sleeve - Crew Neck - Fire Retardant Blend - White - 2X-Large - Each$101.74 -
Bell Helmets Underwear Pro-Tx Top White X Large Sfi 3.3/5 Br40004
BELL HELMETS
$101.74Underwear Top - Pro-TX - SFI 3.3/5 - Long Sleeve - Crew Neck - Fire Retardant Blend - White - X-Large - Each$101.74 -
Bell Helmets Underwear Pro-Tx Top White Large Sfi 3.3/5 Br40003
BELL HELMETS
$101.74Underwear Top - Pro-TX - SFI 3.3/5 - Long Sleeve - Crew Neck - Fire Retardant Blend - White - Large - Each$101.74 -
Bell Helmets Underwear Pro-Tx Top White Medium Sfi 3.3/5 Br40002
BELL HELMETS
$101.74Underwear Top - Pro-TX - SFI 3.3/5 - Long Sleeve - Crew Neck - Fire Retardant Blend - White - Medium - Each$101.74
FAQ
Why should I wear a fire retardant underwear top?
A fire retardant top adds a critical layer of flame and thermal protection under your race suit, significantly boosting your resistance to burns and giving you more time to escape in an emergency.
Are your tops SFI or FIA approved?
Yes, many of our tops meet SFI and/or FIA certifications required by most racing sanctioning bodies. Check the product listings and your rulebook to ensure proper compliance.
What materials are your underwear tops made from?
We offer tops in Nomex, CarbonX, and other advanced aramid blends for superior fire resistance, moisture-wicking, and long-term comfort.
Will it work with any driving suit?
Absolutely. Fire retardant underwear tops complement all single- and multi-layer fire suits for enhanced safety.
Are these tops comfortable for long stints?
Yes! Our tops are lightweight, breathable, and designed for a snug, flexible fit so you stay comfortable and focused even during long or hot events.
How do I choose the right size?
Consult our size chart and select your regular shirt size. We offer options for men, women, and youth drivers to ensure a perfect fit.
How do I care for fire retardant underwear tops?
Machine wash with mild detergent, air dry, and avoid bleach or fabric softeners. Follow the garment’s care instructions to preserve its fire-retardant properties.
What if my top doesn’t fit or is defective?
Customer satisfaction is our priority. If your top is the wrong size or arrives damaged, contact us within 7 days for a prompt replacement, exchange, or refund.