Outwell Sleeping Bag Constellation Prime image 1 Outwell Sleeping Bag Constellation Prime image 2 Outwell Sleeping Bag Constellation Prime image 3 Outwell Sleeping Bag Constellation Prime image 4 Outwell Sleeping Bag Constellation Prime image 5 Outwell Sleeping Bag Constellation Prime image 6 Outwell Sleeping Bag Constellation Prime image 7 Outwell Sleeping Bag Constellation Prime image 8

Outwell Sleeping Bag Constellation Prime

£129.99(inc VAT) £150.00
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  Product Description
The Outwell Constellation Prime sits in the premium end of rectangular sleeping bags for three-season camping. It handles temperatures down to around 3°C for men and 7°C for women comfortably, with an extreme rating of -12°C, making it suitable for spring through autumn trips across the UK and Europe. The 1100g Isofill Premium recycled polyester filling provides reliable insulation without excessive bulk, while the 200 thread count cotton lining feels noticeably softer than standard polyester linings you'll find in cheaper bags.

What sets this apart is the built-in removable pillow that actually stays in place, saving you the hassle of carrying a separate camping pillow or waking up with your makeshift clothing-stuffed alternative halfway down the tent. The YKK two-way L-shaped zipper runs the full length and across the bottom, allowing you to open it completely into a 230 x 85cm duvet for warmer nights or indoor use in motorhomes and caravans. The compression stuff sack with its extra-large opening makes packing easier than wrestling with narrow bag openings, though at 2400g total weight, it's heavier than ultralight backpacking bags.

The polynylon outer shell (85% polyester, 15% nylon) provides decent durability for regular camping use, and the full-length zip baffle prevents cold air seeping through. Corner attachment loops keep the bag positioned on your sleeping mat, which genuinely helps on uneven pitches. This bag is PFAS-free, addressing growing environmental concerns about chemical treatments in outdoor gear. The left-side zipper configuration means you can pair it with a right-zip bag from the same range if you're camping as a couple, though you'll need to check compatibility before assuming any rectangular bag will work.

Outwell Sleeping Bag Constellation Prime Features


  • Built in removable pillow
  • Face baffle
  • Opens fully as a duvet
  • Compression stuff sack
  • Zip-off hood
  • Corner liner attachment loops
  • Full-length zip baffle
  • PFAS free

Specifications
  • Art. No. : 230506
  • Barcode - Product : 5709388158840
  • Caring Choice : PFAS Free / Filling: 100% recycled polyester
  • Weight : 2400g
  • Textile fiber composition : Shell: 85% Polyester, 15% Nylon
    Lining: 100% Cotton
    Filling: 100% Polyester
    Carrybag: 100% Polyester
  • Size : 230 x 85 cm (LxW)
  • Pack size : 43 x 34 cm
  • Body length : 195 cm
  • Shell : Polynylon, 85% polyester / 15% nylon
  • Filling : 1100 g Isofill Premium, recycled polyester
  • Lining : 200TC soft finish cotton
  • Zipper : YKK 2-way L-shape open-end with auto lock
  • Zipper side : Left
  • Construction : Single layer
  • Seasons : 2-3
  • Temp (Textreme) : -12°C
  • Temp (Tlimit) man : 3°C
  • Temp (Tcomfort) woman : 7°C

Frequently Asked Questions

What temperature rating does the Outwell Constellation Prime have?
The Constellation Prime has a comfort temperature of 7°C for women and a limit temperature of 3°C for men, with an extreme rating of -12°C. This makes it suitable for spring, summer, and autumn camping across the UK and Europe. The comfort rating represents the temperature at which a standard adult can sleep comfortably without feeling cold, while the limit rating is the lower temperature at which a standard adult male can sleep for eight hours without waking from cold.
Can I zip two Outwell Constellation Prime sleeping bags together?
The Constellation Prime features a left-side zipper configuration. To create a double sleeping bag, you need to pair it with a right-zip sleeping bag from the same Outwell range. The L-shaped YKK zippers are compatible with other Outwell rectangular bags that have matching zipper sizes and opposite-side configurations. You cannot zip two left-zip bags together.
What does PFAS-free mean for this sleeping bag?
PFAS (per- and polyfluoroalkyl substances) are synthetic chemicals often used in outdoor gear for water resistance and stain protection. The Constellation Prime is manufactured without these chemicals, addressing environmental and health concerns about PFAS persistence in the environment and potential accumulation in human bodies. This aligns with increasing regulations on PFAS use in outdoor equipment across Europe and demonstrates Outwell's commitment to reducing harmful chemical treatments.
How does the built-in pillow work on the Constellation Prime?
The Constellation Prime includes an integrated pillow section at the head of the sleeping bag that can be removed if you prefer to use your own pillow. The pillow stays attached within the bag's hood area during use, preventing it from sliding away during the night. This integrated design eliminates the need to pack a separate camping pillow, saving space in your gear while providing head support.
Is the Outwell Constellation Prime suitable for winter camping?
The Constellation Prime is rated as a 2-3 season sleeping bag with a comfort temperature of 7°C and limit temperature of 3°C. This makes it unsuitable for typical UK winter camping where nighttime temperatures regularly drop below zero. For winter camping, you would need a 4-season sleeping bag with lower temperature ratings. The extreme rating of -12°C is for survival situations only and does not represent comfortable sleeping conditions.
What is Isofill Premium filling and how does it compare to down?
Isofill Premium is Outwell's brand of synthetic polyester insulation made from 100% recycled polyester fibres. The Constellation Prime contains 1100g of this filling. Compared to down, synthetic filling performs better when damp, dries faster, costs less, and is suitable for those with down allergies. Down provides better warmth-to-weight ratio and compresses smaller, but loses insulation when wet. For UK camping where damp conditions are common, synthetic filling offers practical advantages over down.
How do I wash and care for the Outwell Constellation Prime?
Wash the Constellation Prime in a large capacity washing machine (minimum 8kg drum) using a gentle cycle with specialist sleeping bag detergent or mild soap. Avoid fabric softeners as they reduce the insulation's effectiveness. Tumble dry on low heat with tennis balls or dryer balls to restore loft, or air dry completely before storage. Store the sleeping bag loosely in a large cotton storage sack rather than keeping it compressed in the stuff sack, as prolonged compression reduces the insulation's ability to loft and retain warmth.
What size is the Outwell Constellation Prime when packed?
The Constellation Prime packs down to 43 x 34cm in the included compression stuff sack. The total weight is 2400g (2.4kg). The compression sack features an extra-large opening that makes packing easier compared to narrow-mouthed stuff sacks. This pack size is suitable for car camping, motorhome storage, and caravan use, but is too large and heavy for backpacking or cycle touring where space and weight are critical factors.
EAN-13 : 5709388158840
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If you’ve changed your mind about keeping your purchase, please return it in its original condition with proof of purchase and we’ll exchange or refund it. Unless faulty, this should be within 100 days of receiving your order. By original condition, we’d expect this to mean that you’ve kept packaging and labels, and that the item is undamaged and unused.

For further information of how to return your item, please visit the "Returning an Unwanted/Faulty/Damaged Item" section on our Help Page.
  Did you know we have been established and have been in the caravan and motorhome industry for over 50 years?

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