Helikon Level I underwear long johns, designed to be worn next to the skin and representing the first level of Generation III Extended Cold Weather Clothing System (GEN III ECWCS).
It is a lightweight and fast-drying underwear, which retains body heat in cold weather and provides a cooling effect in high temperatures. Special lightweight polyester moisture-wicking weave increases the evaporation area.
Underwear (long johns) US LVL 1 is an element of the first layer of clothing, used when its chilly or during intense activities in an environment that requires leg skin protection. Flat seams minimize the risk of chafing.
Features:
| Long johns | ||||
| Size | Total length [cm] | Inseam [cm] | Waist [cm] | |
| XS | 105 | 75 | 68-90 | |
| S | 105 | 76 | 70-98 | |
| M | 108 | 78 | 72-104 | |
| L | 110 | 79 | 76-108 | |
| XL | 113 | 79 | 84-114 | |
| XXL | 113 | 80 | 88-118 | |
| 3XL | 115 | 82 | 94-122 | |
