The North Face Blue Kazoo Sleeping Bag

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With warm 650-fill-power goose down insulation, the popular Blue Kazoo +15°F bag from The North Face is suitable for a wide range of mountain conditions.


  • Trapezoidal baffle construction evenly distributes 650-fill-power goose down and keeps it from shifting from side to side, preventing cold spots
  • Ripstop nylon shell is water-resistant, highly breathable and downproof
  • Silky nylon taffeta lining is soft against the skin and tightly woven for durability
  • High-pressure areas (head, torso and feet) feature Climashield™ Prism insulation synthetic pads instead of down for extra support and increased thermal efficiency
  • Vaulted footbox allows natural foot movement and eliminates excess lateral space, increasing thermal efficiency to keep your feet warm and comfortable
  • Sculpted hood features adjustable drawcords allowing easy hood and neck refinements
  • Forehead comfort tube and full-length draft tube backing the zipper minimize heat loss
  • Easy-grab, glow-in-the-dark zipper pulls and stiffened zipper columns provide smooth, snag-free zipper operation
  • Internal draft tube pocket stores small items to keep them warm (headlamp batteries) and within easy reach
  • Comes with a lightweight compression stuff sack and nylon mesh storage sack


Many sleeping bags are rated for temperature by an independent testing protocol. REI and the broader industry now use the International Organization for Standardization (ISO) 23537 protocol, which improves on the older European Norm (EN) 13537 standard; you may still see older items in our assortment that were only EN tested. With either protocol, each bag gets a Comfort (or T-Comfort) rating and Lower Limit (or T-Limit) rating. The Comfort rating is the lowest temperature at which the bag will keep the average "cold sleeper" comfortable, and the Lower Limit rating is the lowest temperature at which the bag will keep the average "warm sleeper" comfortable. Ratings are based on a person wearing one long underwear layer and a pair of socks, sleeping on an insulated surface with a minimum R-value of 5.38. Many brands use the Comfort rating for women's bags and the Lower Limit rating for men's and unisex bags. Everyone's body and sleep comfort differ, and conditions of use (posture, clothing, sleeping pad R-value, wind, humidity, etc.) affect total insulation, so EN and ISO ratings are intended as a guideline to help you compare products, rather than a guarantee of warmth.
View all The North Face Backpacking Sleeping Bags

Technical Specs

Best Use


Tested Lower Limit

16 degrees (F) - EN

Tested Comfort

28 degrees (F) - EN

Temperature Rating (F)

15 degrees (F)

Temperature Rating (C)

-9 degrees Celsius


Ripstop nylon

Insulation Type



650-fill goose down


Nylon taffeta

Sleeping Bag Shape


Stuff Sack Size

8 x 17 inches

Stuff Sack Volume

14 liter



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