The North Face

Aleutian 40/4


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This durable and versatile, 40−degree, synthetic bag unzips flat for supreme three−season comfort.



  • Heatseeker™ Eco synthetic insulation composed of 30% post−consumer recycled material
  • Wraparound footbox zipper so the bag can lie flat
  • Short side zipper so the bag acts more like bedding at home
  • Roomy, comfort−oriented cut
  • Full draft tube along the zipper and draft collar reduces heat loss
  • Soft nylon taffeta liner
  • Internal phone/watch pocket
  • Vaulted footbox



  • shell: 50D ciré polyester taffeta embossed
  • hood, bottom, liner: 50D ciré polyester taffeta
  • insulation: Heatseeker™ Eco
NOTICE: Some products in this store can expose you to chemicals known to the State of California to cause cancer and/or birth defects or other reproductive harm. Please check the product label for warning information. For more information go to We cannot ship any products into California that are affected by Proposition 65.

Customer Service: 1-800-336-8314 Monday - Friday 9am to 5pm MTN