The Sea to Summit Spark -9C sleeping bag is designed for adventures in very cold conditions. It boasts down with a heating power of 850+ cuin .


The down is treated with Ultra Dry Down to improve water resistance, providing warmth and comfort all night long. The outer and inner material are made of 10-denier nylon , which allows breathability and effective temperature regulation. This combination of materials keeps you warm in cold conditions and comfortable in warmer temperatures.

Designed with a mummy fit, the Spark sleeping bag conforms to the shape of the body while providing ample space in the leg area to maximize thermal efficiency. It is equipped with a 3/4 length zipper and two sliders for easy access and ventilation adjustment.

The sleeping bag uses a construction with box wall partitions , which maintain the spaciousness of the insulation and prevent its movement, thereby reducing cold areas and ensuring an even distribution of heat.

Additional features include a standard draft collar and a soft-fit technical hood that provides snug, warm protection from the elements.

Suitable for people up to 185cm tall, this bag weighs 730g and compresses to 13L , making it a great choice for outdoor enthusiasts looking for comfort and durability in a variety of conditions.