Basecamp Down Sleeping Bag (-9°C)
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Highlights
BEST USE: Car Camping
PERFORMANCE: 3.5 Season
WEIGHT: 1823g
Shipping & Returns
We want you to have the best possible experience when using our website which is why we offer free shipping on orders over £50 and £3.95 for orders under this.
We aim to dispatch your order on the same day and deliver it the following working day For more details, check out our Shipping Policy.
We also offer a free-of-charge return service meaning you can buy in complete confidence from us. For more details, please check out our Refund Policy.
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Description
Tech specs
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Best UseCar Camping
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Comes WithNylon 70D Compression Sack and two (2) elastic mat attachment straps
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ShapeRelaxed Semi-rectangular Fit: Spread out in this generous and versatile bag. Remove the hood to turn into a blanket.
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Shell FabricRecycled 20-Denier Polyester shell and lining
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Zip OptionsFull length left side, right side and foot box zipper. This provides more options than we have room to list.
| Regular -9°C | Long -9°C |
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TECHNICAL FEATURES
The second highest-lofting down used in any of Sea to Summit’s sleeping bags or quilts. 650+ Fill Power indicates that one ounce (30g) of down will re-expand to over 650 cubic inches after compression. Higher loft means that less down can be used to achieve the same temperature rating – important for performance sleeping bags. The loft and down quality/composition are independently tested by the International Down and Feather Laboratory (IDFL) – a copy of the certification is supplied with every Sea to Summit sleeping bag. The down is responsibly sourced and RDS certified and treated with our non-PFC Ultra-Dry Down™ treatment.
Our Free-Flow triple-zip design ensures your sleeping bag retains maximum warmth and efficiency when needed and multiple ventilation options when it's not. The half-zip on the right side of the bag (left side on women's bags) provides freedom of movement for both arms, additional ventilation and allows the top third of the bag to be folded down as a mini quilt when the mercury climbs higher than expected.
100% of the down used in our sleeping bags and quilts is independently certified to the Responsible Down Standard (RDS). The RDS certifies down against animal welfare requirements and tracks it from the source to the final product. The purchase of RDS certified products demonstrates demand for better animal welfare practices in the down and feather supply chain. Sea to Summit is certified to the RDS. To learn more about RDS visit
Ultra-Dry Down is a non-PFC treatment hydrophobic treatment applied to the down during down processing. It is not a coating (which would reduce the ability of the down to loft), it comprises of very small particles of a polymer that cause the down clusters / feathers to repel water. Hydrophobic down is not waterproof; but it absorbs less water than untreated down and dries much more quickly.
Ultra-Dry Down does not affect the loft or lifespan of the down, or its breathability. The treatment will last through at least 20 washings.
Frequently Asked questions
Warm enough for cool weather camping or travel?
Yes. The quality insulation and technical construction keep you warm even on chilly nights. The Basecamp -12°C – paired with a greater than 3.5 R-Value sleeping mat, like the Comfort Plus Insulated, would be warm enough for Spring through late Autumn.
Fitted with a sleeve to slide in a sleeping mat?
No. Something better than a sleeve: the lower part of the Basecamp is fully insulated to avoid cold spots – straps on the underside attach to a sleeping pad of your choice to form a roomy, cozy sleep system.
Suitable for summer temperatures?
Yes. The full-length side zippers and foot box zipper can be opened for ventilation or to remove the upper section completely for use as a comforter in really warm weather. And – the main side zippers can be zipped to Basecamp, Explore, Ascent, Trek, Traverse, Altitude, Journey or Venture sleeping bags.
