Synthetic SpiraFil High Loft Insulation will keep you warm even when things get wet.
. When space and weight are at a premium (think biking trips, kayak treks, and epic backpacking), you want a super packable, stuffable sleeping bag that'll fit into sterns, bike panniers, and bags.Marmot Nanowave 35° Sleeping Bag - Long in Crocodile Size: Left Zipper | Marmot Nanowave 35° Sleeping Bag - Long in Crocodile Size: Left Zipper You need the lightweight, PFC-free, mummy-style NanoWave 35 Sleeping Bag to keep you comfortable around 35°F.