Oscar Jacobson - Shirts & T-shirts size guide
All measurements are in centimeters. To find the right size, compare a similar garment at home with the measurements below.
Cut away non iron shirt - Slim fit
| Chest width | Back width | Center back length | Sleeve length | Collar | |
| 38 | 103 | 42 | 77 | 65,5 | 38,5 |
| 39 | 109 | 44 | 79 | 67 | 39,5 |
| 40 | 109 | 44 | 79 | 67 | 40,5 |
| 41 | 115 | 46 | 81 | 68,5 | 41,5 |
| 42 | 115 | 46 | 81 | 68,5 | 42,5 |
| 43 | 121 | 48 | 83 | 70 | 43,5 |
| 44 | 121 | 48 | 83 | 70 | 44,5 |
| 45 | 127 | 50 | 85 | 71,5 | 45,5 |
Cut away non iron shirt - Regular fit
| Chest width | Back width | Center back length | Sleeve length | Collar | |
| 38 | 110 | 44 | 78 | 65,5 | 38,5 |
| 39 | 116 | 46 | 80 | 67 | 39,5 |
| 40 | 116 | 46 | 80 | 67 | 40,5 |
| 41 | 122 | 48 | 82 | 68,5 | 41,5 |
| 42 | 122 | 48 | 82 | 68,5 | 42,5 |
| 43 | 128 | 50 | 84 | 70 | 43,5 |
| 44 | 128 | 50 | 84 | 70 | 44,5 |
| 45 | 134 | 52 | 86 | 71,5 | 45,5 |
Button down flannel shirt
| Chest width | Back width | Center back length | Sleeve length | Collar | |
| S | 107 | 44 | 78,5 | 90,5 | 38,5 |
| M | 112 | 45 | 79 | 91,5 | 40,5 |
| L | 120 | 46 | 79,5 | 92 | 42,5 |
| XL | 126 | 47,5 | 80 | 92,5 | 44,5 |
Button down linen shirt - Slim fit
| Chest width | Sleeve length | Center back length | Back width | Collar | |
| S | 107 | 90,5 | 78,5 | 44 | 38,5 |
| M | 112 | 91,5 | 79 | 45 | 40,5 |
| L | 120 | 92 | 79,5 | 46 | 42,5 |
| XL | 126 | 92,5 | 80 | 47,5 | 44,5 |
Button down linen shirt & Oxford shirt - Regular fit
| Chest width | Sleeve length | Center back length | |
| S | 110 | 65,5 | 76 |
| M | 116 | 67 | 78 |
| L | 122 | 68,5 | 80 |
| XL | 128 | 70 | 82 |
| XXL | 134 | 71,5 | 84 |
Twill shirt - Straight fit
| Chest width | Sleeve length | Center back length | Back width | Neck | |
| S | 95 | 90,5 | 73 | 44 | 38,5 |
| M | 106 | 91,25 | 74 | 45 | 40,5 |
| L | 114 | 92 | 75 | 46 | 42,5 |
| XL | 120 | 92,75 | 76 | 47,5 | 44,5 |
| XXL | 126 | 93,5 | 77 | 49 | 46,5 |
Kyran T-shirt
| Chest width | Garment length | Sleeve length | |
| S | 47 | 64,5 | 21 |
| M | 50 | 66,5 | 22,5 |
| L | 53 | 68,5 | 24 |
| XL | 56 | 70,5 | 25,5 |
| 2XL | 59 | 72,5 | 27 |
Measuring guide shirts
- Chest width
Measure across the chest between the lowest point of the arm seams. Multiply with 2. - Back width
Measure across the back seam. - Center back length
Measure the center back from the base of the collar to the end of the garment. - Sleeve length
Measure from sleeve/shoulder seam to the end of the cuff.
Collar
The size refers to the circumference of the collar. Size 38 has for example a circumference of 38 cm. Measure your own neck in order to find the right size. This only applies to shirts with number sizes, not XS-2XL.

Measuring guide T-shirts
- Chest width
Measure across the chest between the lowest point of the arm seams. - Garment length
Measure from the highest point of the shoulder to the end of the garment. - Sleeve length
Lay the arm flat and measure from the shoulder point to where the cuff ends.