---
title: "Cumulus Alaska 900"
name: "Cumulus Alaska 900"
brand: "Cumulus"
description: "Are you looking for an affordable winter sleeping bag that won't take up half your backpack and won't weigh you down?"
handle: "cumulus-alaska-900"
sku: "CUAL900-MP"
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html_url: "/p/cumulus-alaska-900"
md_url: "/p/cumulus-alaska-900.md"
locale: "en"
market: "eu"
currency: "EUR"
price: 415.8
price_formatted: "€415.80"
availability: "InStock"
item_condition: "NewCondition"
category: "Sleeping bags"
category_path: "/c/spani/sleeping-bags"
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  - name: "Cumulus Alaska 900"
    url: "/p/cumulus-alaska-900"
last_updated: "2026-07-05"
---

# Cumulus Alaska 900

Brand: Cumulus · Category: [Sleeping bags](/c/spani/sleeping-bags.md)
Sleeping bag size: L, M, S · Zip position: Left side, Right side · Zipper position: Left, Right

## Offer

- Price: €415.80
- Availability: In stock
- Condition: New
- Buy on the website: [HTML product page](/p/cumulus-alaska-900)

## Description

Are you looking for an affordable winter sleeping bag that won't take up half your backpack and won't weigh you down? With the Cumulus Alaska 900 sleeping bag, you can't go wrong. Thanks to high-quality materials, DWR treatment of the outer fabric, and a well-designed construction, it provides an excellent balance of thermal comfort to weight.

## Specs

- Color: Jadewood
- Sleeping bag size: L, M, S
- Zip position: Left side, Right side
- Zipper position: Left, Right
- Chamber design: H-shaped chambers
- Down-to-feather ratio: 95/5 (feather/down)
- Filling chambers: 55:45
- Total number of chambers: 37
- Extreme temperature: -39 °C
- Comfort temperature: -10 °C
- Limit temperature: -18 °C
- Down weight: 900 g
- Fill power: 700 cuin
- Down type: Duck
- Hydrophobic down: No
- Insulation type: Down
- Material: YKK 5 mm zip, Pertex Quantum DWR (35 g/m², 20D ripstop nylon)
- Hip width: 59 cm
- Shoulder width: 85 cm
- Weight: 1400 g
- Brand: Cumulus

## Variants

- Cumulus Alaska 900 - M, pravá strana · SKU CUAL900-MP · €415.80 · In stock · Jadewood, M, Right side
- Cumulus Alaska 900 - L, levá strana · SKU CUAL900-LL · €500.80 · Out of stock · Left side, Jadewood, L
- Cumulus Alaska 900 - S, levá strana · SKU CUAL900-SL · €466.80 · Out of stock · S, Left side, Jadewood
- Cumulus Alaska 900 - M, levá strana · SKU CUAL900-ML · €415.80 · In stock · Left side, Jadewood, M

## Related

- [Patizon G800](/p/patizon-g800.md)
- [Sea To Summit eVac Compression Dry Bag](/p/sea-to-summit-evac-compression-dry-bag.md)
- [Patizon G1100](/p/patizon-g1100.md)
- [Sea To Summit Lightweight Dry Bag ](/p/sea-to-summit-lightweight-dry-bag.md)
- [Cumulus Panyam 600](/p/cumulus-panyam-600.md)
- [Sea To Summit Ultra-Sil Dry Bag](/p/sea-to-summit-ultra-sil-dry-bag.md)
- [Cumulus Teneqa 850](/p/cumulus-teneqa-850.md)
- [NEMO Switchback](/p/nemo-switchback.md)

## Shipping and returns

- [Shipping and payment](/docs/doprava-a-platba.md)
- [Returns](/docs/vymena-vraceni.md)

## Images

- ![Cumulus Alaska 900](https://media.gramino.com/medusa/48f09380f1f8b35f5e0447ccadc647ff-01KWHVP1Y5TCME8J95MSG6BXQG.webp)
- ![Cumulus Alaska 900](https://media.gramino.com/medusa/7ae71410de7537801110e2641f78d213-01KWHVP1ZQ9V0XBX2P8ZRBA397.webp)
- ![Cumulus Alaska 900](https://media.gramino.com/medusa/9191a967d00dffa55752b4de97e98b75-01KWHVP23HVB64NHD91P3V9PB1.webp)
- ![Cumulus Alaska 900](https://media.gramino.com/medusa/7f494df58536a46eae4ae07003e1b636-01KWHVP257SVZPWYWAQYRGZ57N.webp)
- ![Cumulus Alaska 900](https://media.gramino.com/medusa/5a3d6abf1a6efd1ef316eaf641a478b2-01KWHVP25586FV57E6RT5HTZ4Y.webp)
- ![Cumulus Alaska 900](https://media.gramino.com/medusa/224d253bc68a213fc191ef3df9f4abf0-01KWHVP24CCTGQKR325RE5Q5Q9.webp)
- ![Cumulus Alaska 900](https://media.gramino.com/medusa/fa3fcb91c5d01f25bb40649704fb3d15-01KWHVP23PN6FQWXD5RY70XMMW.webp)

## Identifiers

- SKU: CUAL900-MP
- Handle: cumulus-alaska-900
- Brand: Cumulus

This product is also available as [HTML](/p/cumulus-alaska-900).

Category: [Sleeping bags](/c/spani/sleeping-bags.md) · [Sitemap](/sitemap.md)

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