| Size | Chest (cm) | Length (cm) |
| 8 | 38 cm | 53 cm |
| 10 | 40 cm | 56 cm |
| 12 | 42 cm | 62 cm |
| 14 | 43 cm | 67 cm |
| S | 45 cm | 70 cm |
| M | 48 cm | 72 cm |
| L | 55 cm | 77 cm |
Size Guide for Apex T-Shirts
| Size | Chest (cm) | Length (cm) |
| 8 | 38 cm | 53 cm |
| 10 | 40 cm | 56 cm |
| 12 | 42 cm | 62 cm |
| 14 | 43 cm | 67 cm |
| S | 45 cm | 70 cm |
| M | 48 cm | 72 cm |
| L | 55 cm | 77 cm |