Sea to Summit Alpine Down Sleeping Bag - Down sleeping bag

High-quality sleeping bag with Ultra-Dry down, waterproof design and plenty of space for extreme cold adventures.

UVP 949.95€ 750.45€ incl. VAT.
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697-ASL041043-050902
Delivery time 7 - 9 business days *
For deliveries to Germany
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The facts at a glance

Suitable for
  • Unisex
Made for
  • Trekking
Materials
  • Down
  • Nylon
Membrane
  • DWR impregnated
  • breathable
  • lightweight
  • waterproof

Sea to Summit Alpine Down Sleeping Bag

The Alpine Down Sleeping Bag from Sea to Summit is the perfect companion for extreme adventures in cold climates. Featuring the highest quality 850+ FILL Power goose down, which is RDS-certified and treated with Ultra-Dry Down, this sleeping bag offers excellent water resistance. With its mummy cut shape and generous Expedition Mummy Fit, it provides efficient insulation while offering enough space for additional winter gear that won't freeze.
The outer and inner material is made from recycled 20-denier-nylon, while the hood and footbox are made from waterproof and breathable 10-denier-nylon. The sleeping bag is equipped with a modified Free Flow Zip System, which includes a full-length YKK #5 zipper with Zip-Plow and two sliders as well as a secondary 1/3 length zipper. The full-length box wallchamber construction and double thermal collar provide additional protection from the cold
The sleeping bag can be linked with the women's specific Sea to Summit sleeping bags and is compatible with Sea to Summit quilts, making it a versatile companion. The generously cut hood with two Soft-Touch settings offers space for a Sea to Summit Pillow (Regular), which can be perfectly integrated. The double, down-filled zippercover provides additional comfort and warmth

Product details

Extreme temperature:
-29°C
Season:
Extreme Cold
Isolation:
insulation_down
Zipper:
Free-flow zipper
Bulking power:
850 Cuin
Weight:
1.459kg
Equipment:
  • Water-repellent down
  • Mummy cut
Features:
  • Breathable
  • Waterproof
  • ISOLATION: 850+ FILL Power, RDSzertifiziert, Gänsedaunen mit Ultra-Dry Down Behandlung für verbesserte Wasserbeständigkeit bei feuchten Bedingungen.
  • FABRIC: Außen- und Innenmaterial aus recyceltem 20-DenierNylon. Kapuze und Fußbox aus 10-Denier-Nylon, wasserdicht und atmungsaktiv.
  • FORM: Expedition Mummy Fit:The roomy cut offers space for you and the equipment you don't want to freeze.
  • CLOSURE: Modified Free Flow Zip System without zipper on the footbox: Hauptreißverschluss - durchgängiger YKK #5 mit ZipPlow und zwei Schiebern. Sekundärreißverschluss - 1/3 length YKK #5 mit Zip-Plow und zwei Schiebern.
  • CHAMBER CONSTRUCTION: Vertikale Brustkammern, horizontale Kammern im unteren Bereich und am Rücken; durchgehende KastenwandKammerkonstruktion
  • HEAT CRAFT: Double thermal collar: Ergonomically shaped thermal collar at the front and standard thermal collar at the back.
  • KAPUZE: Großzügig geschnittene Kapuze mit zwei Soft-TouchEinstellungen. Ein Sea to Summit Pillow (Regular) passt in die Kapuze.
  • CLOSUREABDECKUNG: Double, down-filled zipper cover on the top and bottom of all zippers.
  • SLEEPING BAG LINKABLE? Can be combined with the women's specific Sea to Summit sleeping bags.
  • QUILT KOMPATIBEL? Kompatibel mit Sea to Summit Quilts. KISSENINTEGRATION? Ein Sea to Summit Pillow (Regular) passt in die Kapuze.
  • 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
Materials:
20D nylon with DWR impregnation, RDS-certified goose down

Technologies and manufacturing processes

  • 850+ Loft Ultra-Dry Down

    850+ Fill Power means that one ounce (30 g) of down expands to over 850 cubic inches after compression.
  • QUILTLOCK SYSTEM

    The QuiltLock system uses the snap closures at the shoulder and foot ends of Sea to Summit sleeping bags and the Quilt Footbox / Quilt Straps to attach a quilt to the sleeping bag. This increases the warmth and versatility of your sleeping system: Your integrated quilt is now suitable for ultra-light summer adventures and turns your three-season sleeping bag into a four-season sleeping system.
  • RESPONSIBLE DOWN STANDARD (RDS)

    100% of the down used in our sleeping bags and quilts is independently certified according to the Responsible Down Standard (RDS). The RDS certifies down according to animal welfare requirements and tracks it from source to end product. Purchasing RDS-certified products demonstrates the demand for better animal welfare practices in the down and feather supply chain.
  • Non-PFAS

    Sea to Summit Dry Bags, Stuff Sacks and Compression Bags have a non-PFAS, durable water repellent coating that allows water to bead up and roll off. Big River bags use a non-PFAS PU coating.
  • FREE FLOW ZIP

    Our Free Flow zipper ensures that your sleeping bag retains maximum warmth when needed and offers multiple ventilation options in warmer temperatures. The half zipper on the right side of the sleeping bag (left side for women's sleeping bags) provides freedom of movement for both arms, offers additional ventilation and allows the top third of the sleeping bag to be folded down. Most Free Flow sleeping bags can be opened completely flat like a quilt.

Summary

Gender: Unisex
Activity: Expeditions, Hiking, Trekking
Fabrics: Down, DWR impregnated, Nylon
Characteristics: breathable, lightweight, waterproof
Features (Sleeping Bags): Mummy cut

How to choose the right size

Size
Regular
Long
Max. Height(cm)
185
198
Gewicht (g)
1113
1204
Komprimiertes Volumen (L)
9.9
10.6
Kompressionssack (L)
20
20
Füllgewicht (g)
840
945
Minimale Temperatur (Grad)
-18
-18
Komfort Temperatur (Grad)
-10
-10
Size
Regular
Long
Max. Height(cm)
185
198
Gewicht (g)
1113
1204
Komprimiertes Volumen (L)
9.9
10.6
Kompressionssack (L)
20
20
Füllgewicht (g)
840
945
Minimale Temperatur (Grad)
-18
-18
Komfort Temperatur (Grad)
-10
-10
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