The Kamp-Rite 3 in1 0 degree sleeping bag" offers an innovative camping sleep system lets you add or remove layers to get exactly the right bag for outdoor conditions. Suitable for three seasons. Simply add or remove layers to obtain desired warmth. No-snag zippers with two-way pulls and safety Velcro that folds in to prevent scratching. Outer and inner bags include a zip pocket. At 7 pounds, this bag is ideal for car or RV camping. In warmer weather, you can separate bags and only bring one. Includes handy compression sack.