Sparco Rib Vest Pro K3 Kart Racing Rib Protector
The SJ Pro K-3 kart jacket from Sparco combines the impact protection of a chest protector with the comfort and fit of a jacket. The Sparco SJ Pro K-3 kart jacket has been developed as a lightweight and comfortable alternative to the traditional kart rib protector. The material used on the jacket is breathable and anti-bacterial to help prevent perspiration and offers excellent anti abrasion properties. A full-length zip closure makes the kart jacket very easy to put on and take off.
PROVIDES PROTECTION IN 3 KEY AREAS
- Ribs - 12mm thick vibration and shock resistant padding
- Back - Low profile 4mm padding so that seating position is not compromised
- Shoulders - 6mm shock resistant padding. This extends to the collar bone area
RIB PROTECTOR TECHNOLOGY
- Full zip closure for fast and easy fitting
- Absorbs vibration, reducing fatigue to keep you more focused
- Protects shoulder, back and rib areas in the event of a crash
- Rear stretch panel for a more comfortable fit in the kart seat
- Breathable fabric to help keep you cooler
- Long lasting anti-bacterial fabric
SIZE CHART

SPARCO RIB VEST PRO K-3 FAQS
What is Sparco Impact Technology?
Sparco Impact Technology combines a 4 mm EPDM layer with 6 mm PU foam to absorb high-energy shocks and vibrations while remaining lightweight and flexible.
What areas does the Pro K3 protect?
The Rib Vest Pro K3 protects the ribs, lower back (via a stretch panel), and shoulders, offering comprehensive coverage in critical zones without interfering with karting ergonomics.
How is the vest comfortable during racing?
Constructed with breathable, antibacterial, abrasion-resistant fabric, it includes a rear stretch panel and a full front zipper for easy on/off and secure fit—designed to reduce fatigue and maintain airflow.
Who is the Pro K3 best for?
This lightweight, low-profile vest is ideal for both indoor and outdoor karting and suits riders seeking minimalist weight with added protection—perfect for recreational and competitive use alike.