Sparco SPRINT RS-2.1 Race Suit Black (FIA homologation). Sparco SPRINT RS-2.1 Race Suit (FIA homologation).Race Suit from the latest collection of Sparco. The new two-layer construction is lighter and more breathable than the previous mode. The Sprint RS-2.1 has pre-curved full floating sleeves and multiple stretch panels for better mobility and comfort. Leg length - inside (cm) F.