| Alpinestars Sizes |
| GridGear Size |
Child Age |
| XS - XSmall |
4 - 5 years |
| S - Small |
6 - 7 years |
| M - Medium |
8 - 9 years |
| L - Large |
10 - 11 years |
| Rossi Sizes |
| GridGear Size |
Child Age |
| S - Small |
2 - 3 years |
| M - Medium |
4 - 6 years |
| L - Large |
7 - 9 years |
| XL - XLarge |
10 - 13 years |
|
| General Sizes |
| GridGear Size |
Size |
| S - Small |
8 - 10 |
| M - Medium |
10 - 12 |
| L - Large |
12 - 14 |
|
| General Sizes |
| GridGear Size |
Chest Inches |
| S - Small |
32" - 34" |
| M - Medium |
36" - 38" |
| L - Large |
40" - 42" |
| XL - XLarge |
44" - 46" |
| XXL - XXLarge |
48" - 50" |
|
