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OMP - KS-4 Kart Racing Suit

(Closeout / Very Limited Sizes)
  • OMP - KS-4 Kart Racing Suit - A3702
  • OMP - KS-4 Kart Racing Suit - A3702
  • OMP - KS-4 Kart Racing Suit - A3702
  • OMP - KS-4 Kart Racing Suit - A3702
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Retail: $289.00
Price: $175.00
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Note: This suit has been discontinued and has been replaced by the KS-4 MY2026 Suit!
If you don't see your color or size available, please check the replacement above.


The OMP KS-4 Karting Suit continues to be one of the most popular karting suits on the market with both children and adult racers. This latest version still carries the CIK-FIA rating while upgrading OMP's winning formula with additional comfort and protection.

This suit has 4 layers of protection, starting with an outer layer of abrasion-resistant polyester and finishing with a soft cotton sponge interior for extra comfort. The neck collar is low cut to prevent annoying bunching while in the seated kart racing position while the sleeves are fitted with elastic knitted bellows that allow full floating arm movement. Ventilation is not overlooked on the KS4 as well, with mesh fabric throughout the suit including on the legs, shoulders, and on the functional pockets.

The OMP KS-4 Suit is CIK-FIA Level 1 Homologated, meeting CIK and FIA homologation standards for eligibility in national-level CIK/FIA-regulated karting competitions. The CIK-FIA rating is displayed prominently on the rear neck collar of the suit for display during tech inspection. While many karting organizations in the USA do not require a CIK-FIA rated suit, this safety standard still provides additional piece of mind and proof of the level of protection this suit provides.

Features:
  • Four-Layer Abrasion Resistant Protection
  • Soft Touch Cotton Interior Lining
  • Low Cut Neck Collar
  • Fully Floating Arms with Elastic Bellows
  • Ventilation on Legs, Shoulders, and Pockets
  • Available in a wide range of sizes from Child to Adult

Rating Note: This suit originally carried the CIK-FIA Level 1 Rating, however, these suits have aged out of FIA compliance. Generally, this rating is only required in top level karting events and these suits remain legal for most karting events in the USA.



The safest suit for maximum fire protection is a loose fitting one.
A suit's fire protection capability is directly related to the fit of the garment. A properly fitted racing suit will have small air gaps in between the body and the garment. A suit worn too tightly will compress these air gaps- allowing heat to reach the skin faster.

An additional consideration should be the position the garment will be worn in. Specifically, the clamshell orientation of the driving position requires additional material in order to prevent tugging the wearer. This is especially important when wearing a one piece suit. To account for this when selecting a suit: ensure you are on the lower end of the range for a particular size so there will be enough material to prevent the suit from tugging when seated.

Sizing Notes: Sizing varies between brands. Please check the sizing chart for *each* item.

Homologation: CIK-FIA Level 1 Homologation (Expired)

Notes A: 4-Layer Abrasion Resistant Karting Suit

Usage: Recommended for kart racing only. This suit is not SFI-Rated nor meant for use in auto racing events.

Part Number #: KK01728
Type of Product:
1-Piece Suits
Suit Features - KW:
Children's Sizes, Karting Specific



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