Sea to Summit Spark Down Sleeping Bag RDS Size:Regular ● ISO Diameter: 622 /

● ISO Diameter: 622 / Road / 29"

3600 Softsider Dimensions: 11

S/M 1465 in3 / 24 l 21

This slim waist pack features the next-gen 1

Sea to Summit Spark Down Sleeping Bag RDS Size:Regular ● ISO Diameter: 622 /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 PFAS 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 PFAS DWR plus a highly water repellent hood and footbox fabric shed