These Military issue thermal pants are the latest addition to the ECWCS Cold Weather Clothing system. These thermals (waffles) are extremely warm and durable. Soldiers generally wear these under the other pieces of the ECWCS system such as the Soft Shell Cold Weather Pants (Level 5), the Extreme Cold Wet Weather Pants (Level 6) and the Extreme Cold Weather Pants (Level 7). Soldiers also wear these underneath the new Army multicam pants. The mid-weight thermals are excellent for hunting, hiking, construction or just working in the cold. Whatever you’re doing, they will keep you warm!