Simms Men's Tops and Jackets Size Guide
How To Measure Your Size

Be sure to keep the tape level, and not too tight. Then use the chart as a guide, but allow for some variance based on how you prefer the garment to fit.
CHEST: Measure the full circumference of your chest just below your armpits.
Size Chart
| Size | Chest (cm) |
|---|---|
| X-Small | 83 - 89 |
| Small | 91 - 96 |
| Medium | 99 - 104 |
| Large | 106 - 114 |
| X-Large | 116 - 121 |
| XX-Large | 124 - 129 |
| 3X-Large | 132 - 137 |
| 4X-Large | 139 - 144 |
Measurements refer to body size, not garment dimensions.