2 bag sleep system – 1 winter and 1 summer patrol bag that can be combined for a Winter system, rated to -30. Also the summer/patrol bag can be used by itself for warmer weather use, and is lite weigth and very compact. Woodland camo gore-tex cover and stuff sack are included with the system. Gortex cover keeps the bag clean, dry, and is windproof as well. Sleep systems are in excellent condition ready for years of hard use.