Sparco RW-4 Fire Resistant Racing Underpants - FIA 8856-2018 Vehicle Make_Volkswagen with an internal pressure diaphragm

with an internal pressure diaphragm design for increased durability

Note: Passenger side mount may not be compatible with Scion FR-S

the standard sized head sock is one size fits all

0″ bolt circle—designed for high thermal capacity

Sparco RW-4 Fire Resistant Racing Underpants - FIA 8856-2018 Vehicle Make_Volkswagen with an internal pressure diaphragmSparco's entry level RW 4 line of underwear is optimized for both comfort and protection while maintaining a budget price. Using Sparco's classic soft touch fire resistant fabric, the regular fitting long underpants are comfortable for all body types and offers excellent breathability.