SEA TO SUMMIT Circuit Down Sleeping Bag -9C|15F Regular Sleeping bag

The Circuit sleeping bag from Sea to Summit is designed for versatile adventurers looking for a reliable companion for trips, camps and long treks. The semi-rectangular cut with extra width provides plenty of room for side sleeping and ensures comfort throughout the night.

Thanks to high-quality duck down fill with 650+ fill power and lightweight recycled materials, the bag packs comfortably into the included compression sack and doesn’t take up unnecessary space in your rucksack. ISO 23537 certification guarantees that the stated temperature ratings are genuinely tested and reliable.

1. Precise ventilation in any weather
   The full-length zip allows you to open the bag from head to toe, including fully opening the foot area, so you can finely regulate airflow according to the current temperature – on warm nights you can spread it out like a flat quilt, and in cooler weather simply zip it up to keep the warmth inside.
2. Even and stable insulation
   A hybrid baffle construction with internal partitions prevents down migration and eliminates cold spots, while the shaped collar together with continuously filled draught tubes along the full length of the zip minimise heat loss and maximise warmth retention throughout the night.

• 650+ fill power down, duck down 80/20
• Weight 1160 g, volume 9.7 l
• Shell and lining made from 100% recycled polyester
• Lightweight 20D fabric for breathability and durability
• YKK #5 zip with anti-snag plough
• Full-length zip opens the bag into a flat quilt
• Brushed inner lining for maximum comfort
• Internal zipped pocket for a phone or head torch
• bluesign APPROVED certified materials
• Performance verified to ISO 23537
• Compression sack and storage sack made from 100% recycled nylon
• Temperature range: comfort -5 °C, lower limit -9 °C

Specifications:

Weight: 1160 g
Volume: 9.7 l
Packed size: 46 × 27.5 × 18 cm
Bag length: 207 cm
Recommended user height: up to 185 cm (6 ft 1 in)
Fill weight: 715 g
ISO temperature rating – comfort: -5 °C / 23 °F
ISO temperature rating – lower limit: -9 °C / 16 °F
Shell: 100% recycled polyester
Lining: 100% recycled polyester
Insulation: FP650 grey duck down 80/20, DWR, RDS
Compression sack: 100% recycled nylon
Zip: YKK #5, left-hand, full length

Temperatures: