One Planet Cocoon -2Regular price $549.99 Sale price
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The Cocoon has one of the best warmth-to-weight ratios in our range, making it a popular choice for the lightweight adventurer. The sumptuous, highly breathable 10-denier Vapour Vent is used as both inner and outer fabric; it’s a real weight saver, as is the body-hugging mummy shape. Your down won’t be going anywhere thanks to the combination of vertical chest baffles and our famous V-baffles, while the hood and neck closure stop your warmth escaping. The flexibility of a full-length zip helps your night time metamorphosis into a well-rested, happy little camper.
Down: 800-850 Loft hydrophobic down
Comfort Rating: 1°C
Limit of Comfort: -5°C
Weight: Regular: 675Grams
User Height: Regular 187cm,
Shoulder circumference: Regular 160cm
Stuffsac size (Uncompressed): All sizes 6L (15 x 27cm)
One Planet sleeping bags are rated using the international standard for sleeping bag performance, ISO 23537-1. (This is a revised version of European Standard EN 13537.) This means every sleeping bag has two ‘real world’ and one extreme rating. To determine what temperature might be most suitable for you see our technical pages.
- ‘Comfort’ rating is based on a ‘standard’ woman having a comfortable night’s sleep.
- ‘Limit of comfort’ is based on the lowest temperature at which a ‘standard’ man is deemed to be able to have a comfortable night’s sleep. This is the figure we use in our product descriptions.
- ‘Extreme’ rating is a survival rating for a ‘standard’ woman. According to ISO 23537-1, ‘a strong sensation of cold has to be expected and there is a risk of health damage due to hypothermia’. This is a survival rating only, and consumers should not rely on this rating for general use. The best guidelines are the comfort and limit of comfort ratings.
Cocoon sleeping bags come in three sizes.
As a general rule, our sleeping bags are a little roomier than other brands. The shoulder circumference measurements (below) give an indication of the internal space in the sleeping bag.
A well-fitting bag will give the best performance. If you need more room, we offer a series of Sleeping Bag Expanders.
One Planet Hydrophobic Down
800-850 loft DWR-treated duck down is our premium choice – a must for the gram counters. This high-lofting white duck down delivers luxurious warmth at a fine, feathery weight. This down has excellent compactability and loft recovery.
Down is the best insulation for lightweight sleeping bags due to its loft, compressibility and durability. However, this golden fibre has a failing: its ability to insulate drastically decreases when it is wet.
The solution is now here – Hydrophobic Down. This down has been selected to meet our rigorous standards, with a durable water-repellent (DWR) treatment applied after the cleaning and sorting process.
The benefits of Hydrophobic Down are:
- It absorbs less water in damp conditions
- It retains higher loft (insulation) in damp conditions
- It dries faster
Ethically sourced down
Our down is ethically sourced, harvested and cleaned before purchase, with both the down and our supplier passing independent International Down and Feather Laboratory (IDFL) audits relating to ethical traceability. This means that the white down and feathers we purchase are from animals that haven’t been live plucked or force-fed at any point during the supply chain.
The IDFL has been around almost 40 years and has a solid base in China, from where around 75% of the global supply of down is sourced. There are more details on the IDFL here: www.idfl.com/whytest
Cocoon sleeping bags are made using lightweight and highly breathable 10-denier Vapour Vent fabric. This is our lightest fabric, used on our ultralight bags for top-of-the-line performance. This strong, compressible and highly breathable fabric is ‘downproof by construction’: the tight weave keeps the down in but allows water vapour to escape. This reduces the possibility of clamminess and allows the down to loft fully for maximum performance.
Storage and stuff sacks
Your sleeping bag is delivered in a stuff sack, as this is easiest way to transport it. However, it should not be stored in its stuff sack long-term as this compresses the fill material and may cause damage. Hang the bag in your wardrobe over a large hanger, in the supplied storage bag, an old pillowslip or flat under your bed.
When putting your sleeping bag in its stuff sack, do as its name suggests! Don’t roll or fold it, simply stuff it in with your fist, pushing it down to the bottom of the sack. This allows the fill to settle in pockets rather than being squashed flat.
Be careful not to place excessive force on the compression straps. Compress the bag first, then tighten the straps.
Don’t over-compress your sleeping bag. If it is compressed too much, the small feather content can be forced through the sleeping bag’s shell. This fill leakage won’t affect the performance of the bag; it is more a nuisance or cosmetic problem. However, storing your bag in a highly compressed state for long periods will permanently damage the fill material, resulting in an inferior performance.