SKU: 100902PLU: 156164UPC/EAN: 9327868991105
Sea To Summit Circuit Down Sleeping Bag -1C Regular
or from $10/week with
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description
The Sea to Summit Circuit Down Sleeping Bag is built to adapt to any adventure. Its semi-tapered rectangular shape offers extra room to move, making it ideal for side sleepers and anyone who values comfort on the road, at camp or on the trail. Filled with 650+ fill power down and finished with soft-touch fabrics, it delivers dependable warmth in a design that suits travelling, camping and backpacking alike.
As conditions change, the wraparound zipper allows full-length ventilation or lets you open the bag completely flat to use as a quilt. Constructed with non-PFAS recycled materials and backed by ISO-tested performance, the Circuit balances packability, comfort and trusted Sea to Summit quality—making it a reliable companion wherever you head next.
features
- Comfort in all conditions Opens flat for airflow on warm nights or zips closed to lock in warmth when temperatures drop
- Efficient packability Quality 650+ fillpower Ultra‑Dry Duck Down and lightweight fabrics allow the Circuit to pack down small into the supplied compression sack
- Room to move Soft touch liner and wider, thermally-efficient shape enhance warmth and comfort, no matter which position you sleep in
- Precise ventilation Wrap‑around zip lets you fully open the footbox for maximum venting and fine-tune airflow to regulate temperature
- Lightweight breathability Premium 20D fabric offers perfect next-to-skin comfort night after night after night
- Consistent insulation Hybrid box‑baffle construction prevents down migration, eliminating cold spots for even warmth
- Easy zipping YKK #5 coil zipper with anti‑snag plough ensures smooth, jam‑free operation in all conditions for hassle‑free use
- Draft protection Shaped collar and continuous down-filled draft tubes minimise heat loss and maximise retained warmth
- Verified warmth ISO 23537 certification confirms dependable insulation performance for rated temperatures
- Internal pocket Zippered pocket stores essentials like your phone or head torch securely while keeping them insulated from the cold
- Lower impact materials Constructed from bluesign APPROVED, 100% recycled fabrics designed to go the distance
specifications
| Weight: | 770g Short, 820g Regular, 910g Long |
| Fits Height: | 170cm Short, 185cm Regular, 198cm Long |
| Compression Sack: | 13L |
| Temperature Rating (ISO Lower Limit): | -1°C |
| Women's Temp Rating (ISO Comfort): | 2°C |
| Best Use: | Backpacking, Camping, Travel |
| Insulation: | Non-PFAS, RDS certified 650+ fillpower Ultra‑Dry Down |
| Shape | Semi-tapered-rectangular |
| Zip Options | Left Handed Full-Length YKK#5 with Zipper Plow |
warranty
The Circuit Down Sleepiong Bag -1C is covered by the Sea To Summit Limited Lifetime guarantee
