Sparco RW-4 Youth Underpants

The Sparco RW-4 Youth Underpants are designed to deliver essential comfort and certified protection for motorsport competitors. Constructed from soft-touch interlock fabric, each garment offers a comfortable fit while meeting the strict safety requirements of the FIA 8856-2018 standard. The RW-4 line includes long-sleeved undershirts, long underpants, single-opening hoods, and mid-calf socks—providing full-body fire-retardant coverage.