Size guide | Modern Tech Vest
| Size | S | M | L | XL | XXL |
| A: Length | 68 cm | 70 cm | 72 cm | 74 cm | 76 cm |
| B: Chest circumference | 104 cm | 110 cm | 116 cm | 122 cm | 130 cm |
| C: Shoulder width | 39 cm | 41 cm | 43 cm | 45 cm | 47.5 cm |
| D: Hem circumference | 102 cm | 108 cm | 114 cm | 120 cm | 128 cm |
