Table 2. Thermal insulation values (Iclu) for individual garments based on the standard ISO 992019).
| Garment description | Iclu (clo) |
|---|---|
| Inner layer | |
| Shirt, short sleeved | 0.09 |
| Shirt, long sleeved | 0.12 |
| Pants, short | 0.03 |
| Pants, long | 0.10 |
| Middle layer | |
| Shirt, thin | 0.20 |
| Shirt, thick (woollen, college, fleece or comparable) | 0.35 |
| Pants, middle layer | 0.25 |
| Tights | 0.03 |
| Outermost layer | |
| Jacket, thin | 0.26 |
| Jacket, thick | 0.40 |
| Trousers, thin | 0.25 |
| Trousers, thick | 0.35 |
| Thermal overall or thermo clothing | 0.55 |
| Headgear | |
| Cap, hat, balaclava or comparable | 0.01 |
| Warm winter cap | 0.03 |
| Scarf | 0.01 |
| Gloves | |
| Gloves/mittens, thin | 0.05 |
| Gloves/mittens, thick | 0.08 |
| Gloves/mittens, thermal or leather | 0.11 |
| Socks and shoes | |
| Socks, thin | 0.02 |
| Socks, second thin | 0.02 |
| Socks, thick (woolen or comparable) | 0.05 |
| Woollen footwraps | 0.10 |
| Safety shoes, summer | 0.04 |
| Safety shoes, winter | 0.10 |
| Safety boots, rubber | 0.10 |