| US SIZE | Length | Chest | Age | Recommended Height |
| 3T-4 | 59cm/23.2inch | 59cm/23.2inch | 3-4Y | 100-110cm/ 39.4-43.3 inch |
| 5-6 | 61cm/24 inch | 62cm/24.4inch | 5-6Y | 110-120cm/ 43.3-47.2 inch |
| 7-8 | 63cm/24.8inch | 65cm/25.6inch | 7-8Y | 120-130cm/ 47.2-51.2 inch |
| 9-10 | 65cm/25.6inch | 68cm/26.8inch | 9-10Y | 130-140cm/ 51.2-55.1 inch |
| 11-12 | 67cm/26.4inch | 71cm/28inch | 11-12Y | 140-150cm/ 55.1-59 inch |