Sparco's RW-4 line of undergarments are designed to provide both comfort and protection. The RW-4 features a soft-touch interlock fabric. The RW-4 line is FIA 8856-2018 approved.


  • Soft and comfortable
  • Regular Fit
  • FIA 8856-2018 Approved


  • Calf with ribbed structure
  • Jersey sole and instep
  • Darned heel and toe
  • Remaged heel and toe
  • Composition: 100% Meta-aramide
  • Socks are available in sizes from 38/39 to 46.

SKU p_001516BI
Brand Sparco

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