Sea to Summit Spark Ultralight -18°C Sleeping Bag Size:Regular It is the first guidebook

It is the first guidebook to include the Braidwood Road (aka “New Nowra”) crags

allowing attachments to self centre and encouraging optimal loading

waterproof fabrics are as effective now as ever

Upper contour is made from rubber to keep out moisture

three season camping in temperatures as low as -1ºC

Sea to Summit Spark Ultralight -18°C Sleeping Bag Size:Regular It is the first guidebookIf 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