Blue sleeping bag with a brand logo on a white background
Blue sleeping bag with a brand logo on a white background
Blue sleeping bag with pale brown interior unzipped all the way round and opened flat
Person wearing a blue fleece jacket and holding a sleeping bag in a grey stuff sack
Person wearing a blue fleece jacket and holding a sleeping bag in a grey stuff sack
Person in a blue sleeping bag with one foot sticking out, lying on a red sleeping mat
Blue sleeping bag with yellow zipper and 'Circuit' branding on a white background
Person in a blue sleeping bag with both feet sticking out through a zip.
Blue and navy sleeping bag with yellow zipper on a white background
Phone half inside a zip pocket on the inside of sleeping bag

Sea to Summit Circuit Down Sleeping Bag

Sale price$419.99
/
Tax included. Shipping calculated at checkout.

Temperature Rating
Size

The Sea to Summit Circuit is a comfortable all rounder, perfect for camping, overlanding, and supported treks. A full length zip allows the bag to be opened flat for use as a quilt, and 650+ fill power Ultra-Dry duck down provides reliable, lightweight insulation.

Features

  • Opens flat for warm nights or zips closed to lock in warmth.
  • 650+ fillpower Ultra‑Dry duck down and lightweight fabrics make for a compact packed size.
  • Wider, thermally-efficient shape gives you room to move.
  • Wrap‑around zip lets you fully open the footbox for maximum venting and fine-tune airflow to regulate temperature.
  • Hybrid box‑baffle construction prevents down migration, eliminating cold spots.
  • Easy zipping YKK #5 coil zipper with anti‑snag plough.
  • Draft protection collar and continuous down-filled draft tubes minimise heat loss and maximise retained warmth.
  • Internal zippered pocket stores small electronics securely and protects them from sub-zero temperatures.
  • Constructed from bluesign APPROVED 100% recycled fabrics.

Technical Features

  • Non-PFAS, RDS certified 650+ fillpower Ultra‑Dry Down.
  • Semi-tapered rectangular fit.
  • Left Handed Full-Length YKK#5 with Zipper Plow.

Specifications


-1°C Short -1°C Regular -1°C Long -9°C Short -9°C Regular -9°C Long
Weight 770g 820g 910g 1080g 1160g 1290g
Compression Sack 13L 20L
Men's Temperature Rating (ISO Limit) -1°C -9°C
Women's Temperature Rating (ISO Comfort) 2°C -5°C

The standard local delivery time from our store in Melbourne for orders placed before noon is 2–7 business days via Australia Post standard delivery. Express Post is also available. Please see our Shipping page for more details. International Orders are subject to flight availability.

If you'd like to know availability and delivery times for a specific item please contact us and we will get back to you asap.

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Backpacking Light is Australia's original store dedicated to supplying Ultralight Hikers and Travellers. We offer great instore service, fast easy shipping and specialise in the lightest and most appropriate gear to suit your needs.

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