| Size | A. Neck (inches) | B. Chest (inches) | C. Waist (inches) | D. Sleeve (inches) |
|---|---|---|---|---|
| S | 15 - 15 1/2 | 36 - 38 | 28 - 30 | 31 |
| M | 15 1/2 - 16 | 38 - 40 | 30 - 32 | 32 |
| L | 16 1/2 - 17 | 40 - 42 | 32 - 34 | 33 |
| XL | 17 - 17 1/2 | 42 - 44 | 34 - 36 | 34 |
| 2XL | 17 1/2 - 18 | 46 - 48 | 36 - 38 | 35 |
| 3XL | 18 1/2 + | 48 - 50 | 38 - 40 | 36 |
Measure around the base of your own neck, keeping two fingers between your neck and the tape measure.
Measure around your chest just under the armpits.
Reference pant size or measure around fullest part of your waist.
While standing with your arms relaxed at your side, place one end of flexible tape measure on your spine at the base of your neck. Measure over the top of your shoulder down over the point of your elbow, and finish at the wrist bone.
If you do not have a cloth tape, use string and measure flat.
Jackets are neither slim nor oversized. Regular-fitting technical garments may be worn over heavier midlayers. If you are on the high end of the chart in any category, consider sizing up.