Zone3 Mens Baselayer Size Chart
Metric Sizing
| Size | Height (cm) | Weight (kg) | Chest (cm) |
| Extra Small | 157-170 | 54-60 | 81-86 |
| Small | 163-178 | 62-70 | 86-97 |
| Medium | 170-185 | 68-78 | 91-102 |
| Large | 175-188 | 78-86 | 102-112 |
| Extra Large | 178-196 | 85-95 | 112-122 |
| 2XL | 178-196 | 90-105 | 117-127 |
Imperial Sizing
| Size | Height (ft) | Weight (lb) | Chest (in) |
| Extra Small | 5'2-5'7 | 119-132 | 32-34 |
| Small | 5'6-5'10 | 136-158 | 34-38 |
| Medium | 5'7-6'1 | 150-172 | 36-40 |
| Large | 5'9-6'2 | 172-189 | 40-44 |
| Extra Large | 5'10-6'5 | 187-209 | 44-48 |
| 2XL | 5'10-6'5 | 198-231 | 46-50 |