Measure over a thin base layer. If you are between sizes, size up for layering and down for a trim fit.
Base layers & jackets
| Size | Chest (in) | Waist (in) | Sleeve (in) |
|---|---|---|---|
| S | 35–37 | 29–31 | 33 |
| M | 38–40 | 32–34 | 34 |
| L | 41–43 | 35–37 | 35 |
| XL | 44–47 | 38–41 | 36 |
Boots
Trailhead boots run half a size large. Come in for a free fitting — we measure length and width on a Brannock device and you can test them on our ramp.