LVL 2 Underwear set consists of Long Sleeved Zip Neck and Long Johns. LVL 2 layer was created to provide insulation during operations in cold environments and as a base layer for operations in freezing weather conditions. Main fabric construction retains body heat while keeping high moisture wicking properties and dries fast. Packable, can be carried in backpack or cargo pouch and be ready to use whenever necessary. Contoured long tail gives the back and kidney area covered while bending and crouching. Relaxed fit feels comfortable in case of prolonged usage.