The Sea to Summit Spark Down Sleeping Bag 7°C | 45°F – RDS – Regular is an ultralight warm-climate sleeping bag built for minimalist backpackers who count every gram. Filled with premium 850+ fillpower RDS-certified goose down treated with non-PFAS Ultra-Dry Down, it delivers exceptional warmth-to-weight performance in a highly compressible package. The technical hood and zipper draft tube help retain warmth when temperatures dip, while the breathable 10D liner fabric enhances overnight comfort. Compact, efficient and purpose-built, the Spark 7°C is ideal for fast-moving adventures in mild conditions.

Sea to Summit Spark Down Sleeping Bag 7°C – Regular Key Features:

• Ultralight warm-climate design: ISO lower limit rating of 7°C for mild overnight conditions.
• Premium 850+ fillpower down: RDS-certified goose down with non-PFAS Ultra-Dry treatment.
• Minimalist construction: Sewn-through baffles reduce weight while maintaining insulation efficiency.
• Highly breathable comfort: 10D nylon liner enhances airflow and next-to-skin feel.
• Water-resistant shell: 10D outer with PFAS-free DWR and reinforced hood/footbox fabric to shed condensation.
• Snag-free YKK zipper: Half-length zip with zipper plough for reliable operation.
• Anatomical footbox: Improves warmth retention and natural sleeping position.
• Lifetime Guarantee: Backed by Sea to Summit’s product guarantee.

Specifications – 7°C Regular

• Best Use: Ultralight Backpacking
• Performance: Warm Climate
• ISO Lower Limit: 7°C (45°F)
• Women's ISO Comfort: 11°C
• Weight: 363g
• Fill Weight: 150g
• Compressed Volume: 2.4L
• Compression Sack: 2L included
• Fits Up To Height: 185 cm

Designed for ultralight summer missions, the Spark 7°C Regular delivers exceptional packability and comfort when warm conditions call for minimal insulation.