Description
- Engineered for durability, minimal material bunching and abrasion resistance, while the poly-toweling lining boasts moisture-wicking properties
- Strategically positioned tech mesh panels on underarms and crotch for increased airflow
- Anatomically designed arms, legs, and torso panelling provide the optimum position while driving
- Ergonomic collar with soft knitted lining for extended coverage and maximum comfort with safe closure system
- Knitted wrist and ankle cuffs for maximum comfort and reduced weight
- Two thigh pockets for convenient storage of personal items
- Premium YKK metal zipper, with personalized zipper pullers, plus double slider for a versatile and customizable fit
- Adjustable waist belt allows a tight personalized fit
- Athletic-Regular fit design
- Certification/Homologation: FIA 8877-2022 Level 1
- Certified to FIA homologation standards, the KMX-9 V3 Youth Suit is the perfect choice for both entry and intermediate level racers. Boasting an advanced, dual-layer construction for protection and lightness, this suit also has a 100 percent polyester toweling liner for premium comfort. Additional driver-friendly design details include an angled front opening, stretch panels on the back, shoulders and waist for an optimized fit, and breathable mesh material on the crotch and underarms
- Anatomically designed arms, legs, and torso paneling to provide the optimum position while driving
- Advanced two-layer construction assembly for protection, improved breathability, and weight savings
- Exclusive outer shell material, combined with soft knit lining for optimum levels of protection, light weight, and comfort
- Knitted stretch panels on back, shoulders, and lumbar area ensure minimal material resistance while driving
- Strategically positioned tech mesh panels for effective regulation of body temperature
- Color: Navy/Red
- Homologation: FIA 8877-2022 Level 1
- Sizes: 120 | 130 | 140 | 150
- Brand: Alpinestars
- Model: Youth KMX-9 V3 Graphic 5
- Type: Karting suit (youth)
- FIA Rating: FIA 8877-2022 Level 1
- SFI Rating: None
- Layers: 2
- Outer Shell: Abrasion-resistant outer shell
- Lining: Polyester toweling (moisture wicking)
- Leg Cut: Standard
- Fit: Athletic-Regular
- Color Options: Navy/Red
- Sizing: Youth (by height in cm)
- Primary Use: Karting
Alpinestars Youth Suit Size Chart
Alpinestars youth suit sizes are based on the driver’s height in centimeters.
| Youth Size | Driver Height (cm) | Driver Height (in) |
|---|---|---|
| 120 | 115–125 cm | 45″–49″ |
| 130 | 125–135 cm | 49″–53″ |
| 140 | 135–145 cm | 53″–57″ |
| 150 | 145–155 cm | 57″–61″ |
Heights are approximate – Alpinestars sizes youth suits by height. For growing drivers, or if you are between sizes, choose the larger size or call UPR Racing Supply for expert sizing help.
Any questions?
If we still haven't answered your question, you can contact us below and we will get back to you as soon as possible.

