Big Agnes Zirkel UL 20 Degree Down Sleeping Bag Regular
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- Our Divide Ultralight series is the most technically designed line of Big Agnes System bags. Built to perform in every condition, these bags are extremely lightweight and packable and feature a minimalist, half pad sleeve and super warm 850 fill power DownTek insulation
- When insulation material is compressed under your body, it loses most of its ability to insulate. We eliminate the unnecessary bottom insulation and replace it with one of two pad sleeve designs to accommodate the pad which provides the insulation. This design provides a secure foundation and keeps you on the pad all night.
- Pertex feather weight fabric is highly durable and compressible
- Insotect Flow Construction provides maximum cubic loft for supreme thermal efficiency
- Pillow pocket