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Sea to Summit have redesigned its renowned Spark sleeping bag line. The Spark series continues to be made with high-quality materials, using 850+ ethically sourced down treated with Sea to Summit's Dry Down coating. This coating enhances the down's ability to loft effectively in moist conditions, repel water, and dry rapidly. The baffle configuration remains the same, featuring vertical baffl …

We stock the key ranges of Sea to Summit sleeping bags, find out which they are, our opinion and what they do on this page. — The Spark sleeping bag is the perfect option for lightweight adventures that puts comfort at the forefront. The optimal warmth to weight ratio and 850+ FILL Power makes this bag as comfortable as it is compact and easily packable. The Spark Women's sleeping bag is …