Sea to Summit Core 950 Long Sleeping Bag - Navy

The Sea to Summit Core 950 Long Sleeping Bag in Navy is a premium mummy bag designed for serious adventurers who demand warmth, lightweight performance, and packability. Featuring 950g of 900 FP Polish White Goose Down and a trapezoidal chamber construction, this bag delivers exceptional insulation for cold-weather camping. The TORAY Airtastic™ SLF15 DWR shell and lining provide durable water resistance while maintaining breathability. With a comfort temperature rating of -10°C and a limit of -18°C, it is ideal for three-season use and winter expeditions.

Advantages

Ultra-lightweight and compressible, the Core 950 Long offers a packed volume of just 7.5 liters, making it easy to stow in your backpack. The RDS-certified down ensures ethical sourcing, while the YKK zipper and draft collar prevent heat loss. The internal pocket and hood drawcord add convenience and customization.

Suitable for

• Backpacking and trekking in cold climates
• Winter camping and mountaineering
• Sleeping in temperatures down to -18°C

Key specifications

• Fill: 950g 900 FP Polish White Goose Down (RDS Certified)
• Shell & Lining: TORAY Airtastic™ SLF15 DWR
• Construction: Trapezoidal Chamber
• Temperature Ratings: Comfort -10°C, Limit -18°C, Extreme -39°C
• Max User Height: 205 cm
• Shoulder Girth: 160 cm, Foot Girth: 100 cm
• Zipper: YKK, Left Side
• Packed Volume: 7.5 L
• Shape: Mummy
• Colour: Navy

Recommendations

For optimal performance, pair with a Sea to Summit sleeping pad and a compression sack. Store loosely in a dry place to maintain loft.