Sea to Summit Spark Ultralight -18°C Sleeping Bag Size:Regular Its magnesium alloy construction ensures

Its magnesium alloy construction ensures durability without the weight

Comfort comes from a super-breathable 10 denier liner fabric

The ergonomic handle provides excellent grip and facilitates movement while limb walking

AIR TECH LIGHT

Blade length - 75 mm and 90 mm

Sea to Summit Spark Ultralight -18°C Sleeping Bag Size:Regular Its magnesium alloy construction ensuresIf 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