Sea to Summit Spark Sleeping Bag -1° Long

If you're looking for the lightest sleeping bag possible, the Spark range of products is for you. As the mid-range model in this family, the SEA TO SUMMIT Spark -1° sleeping bag is designed to keep you warm in temperatures between -1° and 4°C while optimizing its packed weight and size. It is offered here in a Long version suitable for people up to 1.98m tall and/or of a larger build.

An evolution of the Spark SP II – an absolute benchmark in its field for years – this new Spark benefits from a redesigned shape to best fit travelers' body types. The ergonomics of the new hood and zippers add extra comfort during use.

Featuring a 10-denier nylon shell and lining, these lightweight fabrics offer breathability, protection, and effective temperature regulation for optimal outdoor comfort.

This bag combines 850+ Loft RDS goose down with Ultra Dry Down treatment for improved water resistance in damp conditions for warmth, a small YKKK #3 zipper, and high-performance 10D nylon fabrics for the shell and linings, offering breathability, protection, and effective temperature regulation. The waterproof and breathable properties of the 10D nylon notably provide additional protection and prevent exposure to tent wall condensation. Finally, the mummy shape maximizes thermal efficiency and ensures better heat retention with a lightweight design for warmth, compactness, and outdoor comfort.

TEMPERATURES :
• Comfort T° : 4°C
• Comfort limit temperature : -1°C
• Extreme Temperature : -17°C

DIMENSIONS/WEIGHT :
• Maximum user height : 198 cm
• Length : 211 cm
• Shoulder width : 165 cm circumference
• Width at the waist : 145 cm in circumference
• Width at the feet : 112 cm in circumference
• Volume / Size of the compression bag : 5.1 liters / NC
• Weight : 536 g

FEATURES :
• Shape : Sarcophagus; hood with drawstring
• Filling : Loft RDS 850+ Ultra_Dry Down goose down, 305 g
• Water-repellent treatment : Yes
• Opening : Left, Half-length zip with zipper protector and two sliders
• Pairable : No
• Interior pocket : NC
• Delivered with storage bag + compression bag