Alpinestars KMX-9 v3 S Graph-6 Youth Kart Racing Suit
Alpinestars KMX-9 v3 S Graph-6 Youth Kart Racing Suit
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The KMX-9 V3 Suit is designed for entry-level and intermediate karting use. Certified to FIA homologation standards, It features a dual-layer construction that balances protection with reduced weight. A full polyester toweling liner is included for added comfort during wear. Functional design elements include an angled front opening and stretch panels at the back, shoulders, and waist to support fit and mobility. Breathable mesh inserts are placed in the crotch and underarm areas to assist with ventilation.
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.