Carlos sainz 2026 race suit F1CIK/FIA Level 2 Customize F1 Go Kart Race Suit Details: Complying with the CIK FIA homologation standards, style, comfort and performance are stitched into this nifty kart racing suit that is prepared using nylon fabric and incorporates terry cotton lining that wicks away moisture, and stretch panels at the back and on arms for comfortable movement during the race. Sleek zippers, emblems and fine details deliver an air of attitude as one flaunts through the crowd of spectators.