Sea to Summit Spark Ultralight -9°C Sleeping Bag Size:Long With a bi-directional 18W PD

With a bi-directional 18W PD USB-C port the battery can be charged without using the panel making it a versatile

delivering eco-friendly breathability and waterproofing

Staying true to its legendary roots and trail status

with a horizontal baffled structure

Recycled high-abrasion outsole rubber on the forefoot and heel for added durability

Sea to Summit Spark Ultralight -9°C Sleeping Bag Size:Long With a bi-directional 18W PDIf 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 denier liner fabric, while a 10D shell with a non PFC DWR plus a highly water repellent hood and footbox fabric shed