Never Winter Sleeping Bag - LongThe Never Winter is an ideal summer bag for camping and river trips, but it also has enough water resistant 650 fill down insulation to keep you warm and protected when frost is in the air. Features Fold Down Second Zipper Provides added Ventilation and Easy Access, Main Zipper Anti Snag Slider reduces Snagging Anatomical Wrap Around Footbox Increases Insulation and Room for Your Feet, More Warmth and Comfort Certified 650 Fill Power Down with Down