This 3 in 1 sleeping system is patterned after the U.S. Military’s ECWS (Extreme Cold Weather System). Each of three bags can be used alone or snapped together for amazing warmth. This three bag system is amazingly lightweight and all 3 together earn a -10 degree F comfort rating. Each of the bags measures 81 x 34 x 24 inches.
1. The black Intermediate Sleeping Bag can be used with one or both of the other bags. It has a drawstring hood and is made of super tough 190T rip-stop fabric and 2.5 of Hollofil.
2. The khaki-green Patrol Sleeping Bag has 1 1/2 lbs. Hollo fiber, 190T rip-stop fabric with a water-resistant coating and a drawstring hood. Alone this has a rating of +30-50 degrees.
3. The camo Outer Shell Bivy Bag is waterproof, taped and breathable. It has a hood and can fully enclose your body with a Velcro closure at the top.