Alpinestars KMX-9 S Youth Kart Racing Suit

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The youth-sized karting suit brings an aggressive design in 4 vibrant colors.


Engineered to meet the latest CIK/FIA Level-2 standards, the youth-sized Alpinestars KMX-9 S Karting suit brings an aggressive design in 4 vibrant colors. The 3-layer construction starts with a twill-polymide outer shell for supreme abrasion resistance, covering twin, moisture wicking technical linings for increased comfort and fit. Mesh panels are built into the under-arms, seat area, sides, waist and leg bottoms to increase ventilation. A lumbar stretch panel helps further increase mobility and ergonomics.

Technical Information

Rating: CIK/FIA Level-2
Layers: 3
Fabric: Cotton/Polyester (Kart Only)
Fabric Weight: n/a
Part Number: AL3356517 SIZE COLOR
Manufacturer: 335 6517 xx


• Technical three-layer construction that meets the new homologation standard, featuring a Twill Oxford polyamide outer shell, a poly cotton twill membrane and poly-toweling lining for comfort, durability and fit.
• Engineered for durability, minimal material bunching and high levels of abrasion resistance while the poly-toweling lining offers excellent moisture-wicking.
• Mesh panels positioned on under arms, seat area, sides, waist, bottom leg for maximum ventilation.
• Alpinestars Formula 1 style shoulder epaulettes.

Superior Fit:

• Lumbar stretch panel for greater flexibility and flat profile in riding position.
• Adjustable waist belt allows a tight, personalized fit.


• Knitted wrist and ankle cuffs provide a snug fit and help prevent unwanted movement of the suit.
• Two flat pockets offer a convenient storage option for those times away from the driving seat.
• Premium YKK zippers with Alpinestars zipper pullers, plus double slider for versatile and customizable fit.


Alpinestars Kart Suit Youth Sizing Chart

Sizing Tips: A Driving Suit should have a loose, comfortable fit and allow for a full range of motion. Make sure the fit doesn't change when sitting down!

A. Chest: Measure around the fullest part, under the armpits, keeping the tape horizontal.
B. Waist: Measure around the natural waist line, inline with the navel.
C. Hip: Measure around the fullest part of your hips, about 20cm below the waist line.
D. Inseam: Standing against a wall, measure from the crotch to the bottom of your leg.
E. Arm Length: Measure from shoulder to wrist.

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  • Anthracite/Blue/Red
  • Red/Black/White
  • Black/Yellow
  • Black/Orange

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Availability: In stock

Regular Price: $239.95

Special Price: $199.95