Be ready for changing seasons and dropping temperatures with this modular SnugpakA(R) SoftieA(R) Special Forces System. Combines both the Special Forces I "inner bag" and the Special Forces II "outer bag" to create an ultra-versatile system for comfortable sleeping in above-freezing, freezing, or extreme below-freezing temps. Use either bag on its own, or combine them into a single bag with a single anti-snag quick-release zipper to get in and out. SnugpakA(R) SoftieA(R) Bags combine outstanding craftsmanship with state-of-the-art fabric to create light, low-bulk solutions for a warm night's sleep in the most challenging conditions. Paratex fabric is durable, water-repellent and windproof, yet also light and moisture-wicking. Softie insulation uses super-fine yarns to create both a down-like feel and down-like heat retention. Yet fully washable for repeated adventures. SnugpakA(R) is a long-standing supplier of government and defense contracts. A well-earned reputation for quality has led to its products being used across every inhabited continent. Includes Special Forces I and Special Forces II Sleeping Bags Use either Bag separately or zip them together (includes zip baffle)Each Bag features: Water-resistant Paratex Steelplate outer fabric High-loft SoftieA(R) Premier insulation retains heat, even when wet Paratex Light lining with Reflectatherm Quick-release anti-snag 2-way center zipper Draft collar, snug-fit hood for added thermal retention Reinforced foot areas Tabs for hang drying Compression sackSpecial Forces I: For above freezing temps Comfort rated to +41AdegF (+32AdegF min) 87" x 31"w., packs down to 6x6" 42 oz. (2.6 lbs.)Special Forces II: For below freezing temps Comfort rated to +19AdegF (-7AdegF min) 87" x 31"w., packs down to 9x9" 63 oz. (3.9 lbs.)Combined Bags: For extreme freezing temps Comfort rated to +5AdegF (-15AdegF min) 87" x 32"w., (components pac