Sea to Summit Spark Down Sleeping Bag RDS Bike Racks Special membrane ensures that conditions

Special membrane ensures that conditions inside the boot are perfect: dry

3oz | 916g

Inspired by the popular adult-sized version

see Secret Chain Blend

Sea to Summit Spark Down Sleeping Bag RDS Bike Racks Special membrane ensures that conditionsIf 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