LVL 1 Underwear is the base, next-to-skin, clothing layer. It prevents irritation and discomfort caused by high-energy output combined with carrying of military gear carriage. Made of 100% polyester knitted fabric wicks moisture away from the body and stays dry for long. Special fabric weave increases moisture wicking and evaporation area. This feature makes the LVL 1 Underwear a versatile solution for all climes.