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Cosmic Sleeping Bag: 40F Synthetic 55 to 30 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
$76.46
Sep 18 · Macy's
Best price
$76.46
−15% vs high
14-day high
$89.95
All stores
$90$83$76
Sep 13Sep 26
  • Macy's
Lowest in 14 days: $76.46 at Macy's. Highest: $89.95. Current best is 15% below the 14-day high.

About this product

The Kelty Cosmic Sleeping Bag is a lightweight, synthetic-insulated sleeping bag designed for car camping or backpacking. It features CirroLoft insulation that retains warmth down to 40°F and packs down compactly for easy transport. The bag includes a DWR-coated face fabric for moisture resistance and a stash pocket for storing a phone or headlamp. Made with nylon taffeta outer fabric and a 50D polyester lining, it is machine washable and available in regular and long lengths for users up to 6 feet or 6 feet 6 inches tall.

  • CirroLoft synthetic insulation
  • DWR-coated face fabric
  • Stash pocket for gear
  • Machine washable
  • Available in regular and long sizes
  • Packs down small

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Cosmic Sleeping Bag: 40F Synthetic 55 to 30 — Price History