Sea to Summit Spark Pro 900+ Down Sleeping Bag -1 Regular

The Sea to Summit Spark Pro 900+ Down Sleeping Bag is an ultralight, high-performance sleeping bag designed for backpackers seeking warmth, compressibility, and versatility. Ideal for cold-weather use, it combines premium materials and thoughtful design to deliver exceptional comfort.

Key Features:

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

• Ultralight 10D nylon shell and 10D liner for comfort and durability

• Free-Flow Zip system allows full ventilation and flexibility to open the bag as a quilt

• Anatomical footbox and ergonomic mummy shape for warmth and comfort

• Compact and lightweight for easy backpacking

Specifications:

• Temperature Rating (ISO Lower Limit): -1°C

• Weight: 619g

• Fill Weight: 310g

• Compressed Volume: 5.3L

• Suitable for users up to 185 cm (6 ft 1 in)

• Shell Fabric: 10D nylon with water-resistant finish

• Liner Fabric: 10D nylon

• Zipper: Side zipper with plough for snag-free operation

• Compression Sack: Included, made from recycled, durable fabric