These Simpson head socks are knitted from extra-plush Nomex. Double layered in critical areas for comfort. Designed to be worn under most helmets. Available in black only.

SFI Spec 3.3

Learn more about SFI and TPP Ratings by reading our tech article. What are SFI and TPP Ratings?

Simpson 23003C Specifications

KEY SPECS
MFG. Part #	23003C
Brand	Simpson

GENERAL
Color	Black
SFI Rating	3.3
Sold in Quantity	Each
Gender	Unisex
Age Group	Adult

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The head sock description says CarbonX but the description says extra plush Nomex. Which one is right? Can they be woven together?

by Steve

• 11 years ago

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