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The North Face Aleutian 40/4 Sleeping Bag

SKU# TNF_10329

The Aleutian 40/4 is a 3-season synthetic-fill bag that bring the comfort of home in milder conditions, with a wrap-around footbox zip so you can lie the bag out flat like a blanket, a short zip on the opposite side that lets you pull the bag on and off as you would a duvet and a roomy interior that lets you move naturally. It is fill with Heatseeker™ Eco insulation for an efficient warmth-to-weight ratio and high compressibility (packs down to 13.6 litres of pack space).

Availability: In stock

  • Monarch Orange/Zinc Grey
  • Left Zip
  • Right Zip

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Cannot Be Shipped outside of New Zealand


Important: Due to contract limitations we are unable to provide International shipping for The North Face items.

  • Three-season sleeping bag designed for warmth down to 4°C
  • Heatseeker™ Eco synthetic insulation composed of 30% post-consumer recycled material; designed to replicate the qualities of down, but retain them even when wet
  • Wraparound footbox zip allows the bag to lie flat
  • Short side zip so the bag acts more like bedding at home
  • Roomy, comfort-oriented cut
  • Draft collar for comfort and to prevent heat loss
  • Vaulted footbox keeps feet warm


Rolled Size 23 x 41cm
Fill Heatseeker™ Eco
Fill Weight 397g
Average Weight 992g
Temperature Rating 5.6°C lower comfort limit


The North Face® recommends that you use a commercial sized, front loading washing machine to wash your synthetic sleeping bag. Wash in warm water with a mild powder detergent. Rinse several times to remove all the dirty, soapy water. An extra spin cycle will also remove excess water. Line dry, or tumble dry on very low, or no heat. Check the bag frequently to be sure the fabric is not getting too hot. Be sure your bag is completely dry before storing. The most efficient way to do this is to air-dry the bag outside, avoiding direct exposure to the sun. When drying, alternately turn the bag inside out. This allows for the insulation to dry more rapidly through the lining materials as well as helping to freshen the sleeping bag. Store your bag in a large nylon/mesh bag (instead of a stuffsack or compression sack) to maintain the bag&#s loft throughout its lifespan. Storing your sleeping bag in a small sack constricts the insulation and may be harmful for an extended amount of time. When not using your sleeping bag, store it in a cool, dry place.


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