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Cosmic Sleeping Bag: 0F Synthetic 0 to -40 Degree Synthetic Bags

Prices as of September 26, 2026, as listed by each retailer — verify the current price on the retailer's site before purchase.

Price history tracked at Macy's price tracker

14-day low
$149.95
Sep 15 · Macy's
Best price
$149.95
−0% vs high
14-day high
$149.95
All stores

The last recorded best price is the lowest AskPrice has recorded · tracked since May 2026.

$150$150$150
Sep 15Sep 26
  • Macy's
Price has held at $149.95 for the past 14 days.We last recorded a price on Sep 26, 2026. The chart shows the 14 days leading up to that date — there have been no price updates since.

About this product

The Kelty Cosmic Synthetic Sleeping Bag is a mummy-shaped, insulated bag designed for outdoor use in cold conditions down to -40°F. It features 100% synthetic CirroLoft insulation for lightweight warmth and compressibility, with a durable 20D recycled nylon shell treated with PFAS-free DWR for water resistance. A contoured hood, full draft collar, and offset quilt construction help retain body heat and minimize cold spots. The silky taffeta liner provides comfort, while the full-length zipper and machine-washable construction support practical use on extended trips.

  • Mummy shape for heat retention
  • CirroLoft synthetic insulation
  • PFAS-free DWR treated shell
  • Full-length zipper
  • Machine washable
  • Rated to -40°F

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Cosmic Sleeping Bag: 0F Synthetic 0 to -40 — Price History