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Sea to Summit Circuit Down Sleeping Bag -9°C/16°F - Long
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Size
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Adapt to any adventure. The Circuit’s semi-tapered-rectangular shape fits you and fits your travelling, camping and backpacking lifestyle. Its extra width allows you to sleep on your side, wrapped in 650+ fillpower down and soft-touch fabrics. As the weather warms, the wraparound zipper lets you ventilate the bag from top to bottom, and even open it as a fully flat quilt. Sea to Summit design and quality, non-PFAS recycled materials and ISO-tested performance make this light, packable bag the perfect travel companion.
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 - Comfort-oriented, brushed liner maximises movement and maintains warmth all night
• Precise ventilation - Wrap-around zip lets you fully open the footbox for maximum venting
• Lightweight breathability - Featherlight 20D polyester balances airflow for moisture management with proven durability
• Consistent insulation - Hybrid box-baffle construction prevents down migration, eliminating cold spots
• Easy zipping - YKK #5 coil zipper with anti-snag plough ensures smooth, jam-free operation
• Draft protection - Shaped collar and continuous down-filled draft tubes minimise heat loss
Materials
• Shell: 100% Recycled Polyester
• Lining: 100% Recycled Polyester
• Insulation: FP650 Grey Duck Down 80/20 DWR RDS
• Compression Sack: 100% Recycled Nylon
• Storage Cell: 100% Recycled Nylon
Specifications
• Best use: Backpacking, Camping, Travel
• Zipper configuration: Left Handed Full-Length YKK#5 with Zipper Plow
• Insulation: FP650GDD
• Temperature rating (ISO lower): -9 °C / 16 °F
• Women's temperature rating (ISO comfort): -5 °C / 23 °F
• Dimensions: 222 x 77.5 cm
• Weight: 1290 g / 45.5 oz
• Fill weight: 814 g / 28.7 oz
• Compressed volume: 10.8 L
• Recommended user height: 198 cm
• Sustainability: bluesign APPROVED
• Sustainability: ISO 13537-1
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 - Comfort-oriented, brushed liner maximises movement and maintains warmth all night
• Precise ventilation - Wrap-around zip lets you fully open the footbox for maximum venting
• Lightweight breathability - Featherlight 20D polyester balances airflow for moisture management with proven durability
• Consistent insulation - Hybrid box-baffle construction prevents down migration, eliminating cold spots
• Easy zipping - YKK #5 coil zipper with anti-snag plough ensures smooth, jam-free operation
• Draft protection - Shaped collar and continuous down-filled draft tubes minimise heat loss
Materials
• Shell: 100% Recycled Polyester
• Lining: 100% Recycled Polyester
• Insulation: FP650 Grey Duck Down 80/20 DWR RDS
• Compression Sack: 100% Recycled Nylon
• Storage Cell: 100% Recycled Nylon
Specifications
• Best use: Backpacking, Camping, Travel
• Zipper configuration: Left Handed Full-Length YKK#5 with Zipper Plow
• Insulation: FP650GDD
• Temperature rating (ISO lower): -9 °C / 16 °F
• Women's temperature rating (ISO comfort): -5 °C / 23 °F
• Dimensions: 222 x 77.5 cm
• Weight: 1290 g / 45.5 oz
• Fill weight: 814 g / 28.7 oz
• Compressed volume: 10.8 L
• Recommended user height: 198 cm
• Sustainability: bluesign APPROVED
• Sustainability: ISO 13537-1
Adapt to any adventure. The Circuit’s semi-tapered-rectangular shape fits you and fits your travelling, camping and backpacking lifestyle. Its extra width allows you to sleep on your side, wrapped in 650+ fillpower down and soft-touch fabrics. As the weather warms, the wraparound zipper lets you ventilate the bag from top to bottom, and even open it as a fully flat quilt. Sea to Summit design and quality, non-PFAS recycled materials and ISO-tested performance make this light, packable bag the perfect travel companion.
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 - Comfort-oriented, brushed liner maximises movement and maintains warmth all night
• Precise ventilation - Wrap-around zip lets you fully open the footbox for maximum venting
• Lightweight breathability - Featherlight 20D polyester balances airflow for moisture management with proven durability
• Consistent insulation - Hybrid box-baffle construction prevents down migration, eliminating cold spots
• Easy zipping - YKK #5 coil zipper with anti-snag plough ensures smooth, jam-free operation
• Draft protection - Shaped collar and continuous down-filled draft tubes minimise heat loss
Materials
• Shell: 100% Recycled Polyester
• Lining: 100% Recycled Polyester
• Insulation: FP650 Grey Duck Down 80/20 DWR RDS
• Compression Sack: 100% Recycled Nylon
• Storage Cell: 100% Recycled Nylon
Specifications
• Best use: Backpacking, Camping, Travel
• Zipper configuration: Left Handed Full-Length YKK#5 with Zipper Plow
• Insulation: FP650GDD
• Temperature rating (ISO lower): -9 °C / 16 °F
• Women's temperature rating (ISO comfort): -5 °C / 23 °F
• Dimensions: 222 x 77.5 cm
• Weight: 1290 g / 45.5 oz
• Fill weight: 814 g / 28.7 oz
• Compressed volume: 10.8 L
• Recommended user height: 198 cm
• Sustainability: bluesign APPROVED
• Sustainability: ISO 13537-1
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 - Comfort-oriented, brushed liner maximises movement and maintains warmth all night
• Precise ventilation - Wrap-around zip lets you fully open the footbox for maximum venting
• Lightweight breathability - Featherlight 20D polyester balances airflow for moisture management with proven durability
• Consistent insulation - Hybrid box-baffle construction prevents down migration, eliminating cold spots
• Easy zipping - YKK #5 coil zipper with anti-snag plough ensures smooth, jam-free operation
• Draft protection - Shaped collar and continuous down-filled draft tubes minimise heat loss
Materials
• Shell: 100% Recycled Polyester
• Lining: 100% Recycled Polyester
• Insulation: FP650 Grey Duck Down 80/20 DWR RDS
• Compression Sack: 100% Recycled Nylon
• Storage Cell: 100% Recycled Nylon
Specifications
• Best use: Backpacking, Camping, Travel
• Zipper configuration: Left Handed Full-Length YKK#5 with Zipper Plow
• Insulation: FP650GDD
• Temperature rating (ISO lower): -9 °C / 16 °F
• Women's temperature rating (ISO comfort): -5 °C / 23 °F
• Dimensions: 222 x 77.5 cm
• Weight: 1290 g / 45.5 oz
• Fill weight: 814 g / 28.7 oz
• Compressed volume: 10.8 L
• Recommended user height: 198 cm
• Sustainability: bluesign APPROVED
• Sustainability: ISO 13537-1