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:
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950+ fill power RDS-certified goose down with Ultra-Dry Down treatment for moisture resistance
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Ultralight 10D nylon shell and 10D liner for comfort and durability
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Free-Flow Zip system allows full ventilation and flexibility to open the bag as a quilt
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Anatomical footbox and ergonomic mummy shape for warmth and comfort
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Compact and lightweight for easy backpacking
Specifications:
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Temperature Rating (ISO Lower Limit): -1°C
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Weight: 619g
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Fill Weight: 310g
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Compressed Volume: 5.3L
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Suitable for users up to 185 cm (6 ft 1 in)
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Shell Fabric: 10D nylon with water-resistant finish
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Liner Fabric: 10D nylon
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Zipper: Side zipper with plough for snag-free operation
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Compression Sack: Included, made from recycled, durable fabric
