Size Guide - Youth Performance Shirt and Hoodies (Inch)
| Size | Body Length | Half Chest | Sleeve Length |
| YXXS (4-5 Years) | 19.3 | 14.2 | 15.4 |
| YXS (5-6 Years) | 20.5 | 15.0 | 16.5 |
| YS (7-8 Years) | 21.7 | 15.7 | 17.3 |
| YM (9-10 Years) | 22.8 | 16.5 | 18.5 |
| YL ( 11-12 Years) | 25.2 | 17.7 | 20.5 |