Adidas Base Layer Size Guide
| Size | Torso Width | Neck Width | Sleeve Length (From The Armpit) | Torso Length (Starting From Neckline) |
| 11/12Y | 32cm | 18cm | 44cm | 47cm |
| 13/14Y | 35cm | 18cm | 49cm | 52cm |
| Xs | 39cm | 18cm | 50cm | 54cm |
| S | 42cm | 18cm | 51cm | 56cm |
| M | 43.5cm | 18.5cm | 52cm | 58cm |
| L | 45cm | 19cm | 52cm | 60cm |