Sea to Summit Alpine -29C/-20F Down Sleeping Bag - Regular

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The technical hood, double draft tubes, expedition cut and 850+ fillpower RDS goose down combine to keep you warm in the coldest of climates.


Overview

Gear up for your next high altitude or colder latitude adventure with the Alpine Down Sleeping Bag.

The expedition mummy fit provides ample space for winter gear, while the modified Free-Flow Zip system provides ventilation and versatility.

Complex construction throughout and 850+ fillpower, RDS-certified PFC-free Ultra-Dry Goose Down delivers maximum warmth retention.

Temperature Rating

  • Comfort: -19°C
  • Temp Rating: -29°C

Weight: 1459g

Features

  • RDS-certified, 850+ fillpower goose down with a non-PFC Ultra-Dry Down treatment for maximum thermal performance
  • Recycled 20D nylon shell material with PFC-free DWR is light and durable
  • Roomy expedition mummy fit provides plenty of space for you, performance clothing and gear you don't want to freeze
  • Highly breathable liner for enhanced comfort
  • Free-Flow Zip System: Full-length zipper with half-length zipper on opposite side for excellent temperature regulation
  • Technical hood and footbox, efficient mummy shape and generous draft tubes on the zippers maximize warmth retention
  • Sea to Summit Guarantee is offered for the Lifetime of this product

    Technical Specs

    • Best Use: Mountaineering
    • Comes with: Ultra-Sil™ Compression Bag & Storage Cell
    • Insulation: RDS certified, 850+ PFC free Ultra-Dry Down
    • Shape: Expedition Mummy
    • Bag Weight: 1459g
    • Compressed Volume: 12.6 L
    • Compression Sack: 26 L
    • Fill Weight: 1000 g
    • Fits Up to Height: 185 cm
    • Temperature Rating (EN Lower Limit): -29°C
    • Women's Temp Rating (EN Comfort): -19°C