Alpinestars KMX-9 S Youth Kart Racing Suit - 2018 Model
Alpinestars KMX-9 S Youth Kart Racing Suit - 2018 Model
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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.


Size Guide
| EU | Chest (cm) | Waist (cm) | Hips (cm) | Inseam (cm) | Height (cm) |
|---|---|---|---|---|---|
| 120 (youth) | 58–64 | 55–59 | 69–73 | 52–57 | 118–126 |
| 130 (youth) | 65–72 | 60–64 | 71–75 | 58–63 | 127–136 |
| 140 (youth) | 73–79 | 65–69 | 74–79 | 64–69 | 137–146 |
| 150 (youth) | 78–82 | 68–72 | 78–82 | 70–75 | 145–152 |
| 40 | 78–82 | 64–68 | 79–83 | 71–72 | 157–160 |
| 42 | 82–86 | 68–72 | 83–87 | 73–74 | 161–164 |
| 44 | 86–90 | 72–76 | 87–91 | 75–76 | 165–168 |
| 46 | 90–94 | 76–80 | 91–95 | 77–78 | 169–172 |
| 48 | 94–98 | 80–84 | 95–99 | 79–80 | 173–176 |
| 50 | 98–102 | 84–88 | 99–103 | 81–82 | 177–180 |
| 52 | 102–106 | 88–92 | 103–107 | 83–84 | 181–184 |
| 54 | 106–110 | 92–96 | 107–111 | 85–86 | 185–188 |
| 56 | 110–114 | 96–100 | 111–115 | 87–88 | 189–192 |
| 58 | 114–118 | 100–104 | 115–119 | 89–90 | 192–195 |
| 60 | 118–122 | 104–108 | 119–123 | 89–90 | 192–195 |
| 62 | 122–126 | 108–112 | 123–127 | 91–92 | 196–199 |
| 64 | 126–130 | 112–116 | 127–131 | 91–92 | 196–199 |
| 66 | 130–134 | 116–120 | 131–135 | 91–92 | 196–199 |
| 68 | 134–138 | 120–124 | 135–139 | 91–92 | 196–199 |
Source: Alpinestars official men's auto suit and youth auto apparel size guides. Kart suits use the same chart. Chest: around the fullest part, under the armpits. Waist: at the natural waistline, level with the navel. Hips: around the fullest part, about 20 cm below the waist. Inseam: crotch to floor. Height: floor to top of head, without shoes.
Sizing is from the manufacturer and varies between brands. Measure yourself and compare against the table rather than ordering your usual street size.