Sea to Summit Spark -9C Down Sleeping Bag Double beluga black

A no-frills, high-performance double mummy bag built for fast-and-light backcountry use in cold conditions.

The Sea to Summit Spark -9C Double is a two-person ultralight sleeping bag designed for performance-oriented backcountry users. Filled with RDS-certified 850+ fill power Ultra-Dry Goose Down and constructed with a 10-denier nylon shell and lining, it delivers serious thermal efficiency in a compact packed size. Box wall baffle construction throughout retains loft and eliminates cold spots.

Features

• 850+ fill power RDS-certified goose down with Ultra-Dry treatment for improved moisture resistance

• 10-denier nylon shell and lining; waterproof-breathable hood and footbox

• Box wall baffle construction throughout for consistent loft and thermal performance

• 3/4-length #5 zip with zip-plow and two sliders for ventilation control

• Draft collar and draft tube to seal out cold air

• QuiltLock system at shoulder and foot end for attaching a Sea to Summit quilt

• Compatible with Women's Sea to Summit bags for modular sleep system configuration

Technical Specifications

• Temperature rating: Comfort -2°C / Limit -9°C

• Insulation: Ultra-Dry Goose Down, 850+ fill power

• Shell and lining: 10D Nylon

• Shape: Mummy

• Capacity: 2 persons

• Body length: 198 cm

• Packed size: 46 × 18 × 27.5 cm

• Weight: 1.543 kg