Sea to Summit Spark -18C/0F Down Sleeping Bag - Regular bis_hidden and key storage

and key storage

Designed to make light work of tough alpine terrain in variable conditions

and our ever-forward-looking approach to the sport and how our designs influence it

making these models who use injected midsoles

Sea to Summit Spark -18C/0F Down Sleeping Bag - Regular bis_hidden and key storageUltralight and packable performance sleeping bag with increased breathability in shell and liner fabrics Overview If you're counting grams, but still count on a great night's sleep, the Spark may be the right bag for you. Filled with RDS certified 850+ fillpower goose down treated with a non PFC Ultra Dry Down treatment, the Spark is constructed with a technical hood and zipper draft tube to retain warmth. Comfort comes from a super breathable 10