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Thanks to the innovative Core Comfort Technology in the Sierra Designs Pyro 0 Degree Down Sleeping Bag, there will be no need to wear your puffy to bed. The double baffle system and strategic placement of 600-fill goose down enable the Pyro to keep you comfortable even when temps fall into the single digits.

  • With an EN lower limit of 9˚F (lower limit refers to the average male's comfort zone), this bag is best suited for reliable warmth in the spring, summer, fall, or mild winter weather
  • 600-fill goose down insulation is lofty, warm, and highly compressible
  • Polyester Micro-Ripstop shell fabric is lightweight and durable
  • Core Comfort Technology utilizes a double baffle system and body mapping to place additional down where you need it most
  • Snag-free zipper tracks eliminate annoying stuck zippers
  • Draft tube along the 60-inch zipper prevents warm air from escaping
  • Drawcord at the collar provides a snug-fitting hood and traps in warm air
  • Draft collar seals around your chest and torso to prevent warm air from escaping
  • Ergonomic hood and footbox are shaped to comfortably accommodate your head and feet
  • Pillow pocket keeps your head cushion in place
  • At just 3 pounds, the Pyro won't weigh you down when you're on the trail
  • Packs into an included 9-inch by 16-inch stuff sack
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