Vintage Letterman Jacket Size Chart
All measurements are in inches, with the jacket fastened and laid flat. Chest and bottom-rib measurements are widths, not circumference. The bottom rib is measured unstretched. Compare with a jacket that fits comfortably. Measurements may vary by up to ½″ above or below the listed values.

A: Chest width · B: Bottom rib width · C: Sleeve length · D: Shoulder width · E: Jacket length
| Size | A | B | C | D | E |
|---|---|---|---|---|---|
| 4XS | 18 | 16 | 18½ | 15 | 22½ |
| 3XS | 19 | 16½ | 20 | 16½ | 24½ |
| 2XS | 21 | 17 | 23 | 18 | 25½ |
| XS | 23½ | 17½ | 26½ | 19½ | 26½ |
| S | 24½ | 18½ | 27 | 20½ | 27 |
| M | 25½ | 19½ | 27½ | 21½ | 27½ |
| L | 26½ | 20½ | 28 | 22½ | 28 |
| XL | 27½ | 21½ | 28½ | 23½ | 28½ |
| 2XL | 28½ | 22½ | 29 | 24½ | 29 |
| 3XL | 29½ | 23½ | 29½ | 25½ | 29½ |
| 4XL | 30½ | 24½ | 30 | 26½ | 30 |
| 5XL | 31½ | 25½ | 30½ | 27½ | 30½ |
| 6XL | 32½ | 26½ | 31 | 28½ | 31 |
These are standard jacket measurements before any requested sleeve or body-length adjustments, which can be selected when ordering. Allow room for comfortable movement and any layers you’ll wear underneath. For the best comparison, measure a jacket that already fits you well.
Still not sure your size? We recommend setting up a try-on session. Contact us to set that up or for any other questions.