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The RW-4 Series is Sparco's entry-level line of underwear. The fire-retardant fabric offers a soft, comfortable fit at a competitive price. The Sparco underwear RW-4 series includes FIA rated undershirts, pants and socks - white only
Soft and comfortable
One size
Regular Fit
FIA 8856-2018 Approved
SKU: 001487BI
The RW-4 Series is Sparco's entry-level line of underwear. The fire-retardant fabric offers a soft, comfortable fit at a competitive price. The Sparco underwear RW-4 series includes FIA rated undershirts, pants and socks - white only
Soft and comfortable
One size
Regular Fit
FIA 8856-2018 Approved
SKU: 001487BI
