Available in both Women's' and Unisex shapes, Sea to Summit's Trek is for if you've ever wished for a less-constrictive sleeping bag that keeps you comfortable in a variety of cool-to-warm conditions.
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.
