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- CORETECH DESIGN – Engineered comfort maximized with additional layer of insulation above chest area to protect the body’s thermal core.
- 0°F (-17°C) SURVIVAL RATING: Survival of average adult woman. 15°F (-9°C) COMFORT LIMIT RATING: Average man can sleep comfortably. 30°F (-1°C) COMFORT RATING: Average standard woman can sleep comfortably.
- FULLY SYNTHETIC FILL – Hydrophobic silicone air core fill material selected for high compression to maximum loft characteristics. More loft equates to a greater thermal barrier.
- JUMBO ZIPPER – Full length, two-way, self-repairing #10 zipper allows for easy opening from either end with extra-long high visibility reflective pull tag.
- OVERSIZED MUMMY – Fits the tall and the small, the hefty and the hungry with an overall size of 86″ X 36″ X 24″ and a large boxed foot area. 5.5 lb trail weight.
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The North Star 3.5 CoreTech Sleep Bag is a 0 degree F bag that is build to last a lifetime. Synthetic holofiber fill is ultra compactable with extreme loft. CoreTech design puts a double layer of fill around the core, where your body needs it most.Sleeping Bag Shape: MummyGender: UnisexInsulation Type: SyntheticWarmth Level: Extra WarmthRated To: 0 DegreeColor: Blue, Black, Yellow