The Allstar Performance SFI 3.3 Fire Retardant Underwear Bottom is a black base layer garment built from a fire retardant blend fabric. It carries an SFI 3.3 certification for use as fire retardant underwear beneath a racing suit. This listing is the Medium size (ALL926212), sold individually (each).
Sizing
This Fire Retardant Underwear Bottom is available in nine sizes:
- X-Small: ALL926210
- Small: ALL926211
- Medium: ALL926212
- Large: ALL926214
- X-Large: ALL926215
- 2X-Large: ALL926216
- 3X-Large: ALL926217
- 4X-Large: ALL926218
- 5X-Large: ALL926219
This listing is the Medium size. Select a different SKU above for a different size.
FAQ
What certification does this underwear bottom meet?
This Allstar Performance underwear bottom is SFI 3.3 certified, per the SFI Foundation fire retardant underwear standard.
What color and size is this underwear bottom?
This underwear bottom is black and sized Medium (SKU ALL926212).
What fabric is this underwear bottom made from?
This underwear bottom is constructed from a fire retardant blend fabric.
Is this underwear bottom sold with the matching top?
No. This underwear bottom is sold individually (each). A matching Fire Retardant Underwear Top is sold as a separate item.
What other sizes are available?
This underwear bottom is available in nine sizes, from X-Small (ALL926210) through 5X-Large (ALL926219).

