Petrel UL 10 Women's Sleeping Bag

New for Winter 2025/2026: The Petrel 10 UL gets all-new Pertex® Quantum Pro® shell fabric + Pertex® Diamond Fuse lining fabric in the footbox, plus new and familiar colors Our warmest three season bag for the female adventurer. Based on the ideas of our testers, the bag features extra fill in the footbox and chest while maintaining a sleek profile and light construction to maximize the warmth from the 950+ fill down. The Petrel is not only an excellent choice for spring and fall adventures, but also a popular summer bag for the coldest of sleepers and a longtime favorite for summer climbs o...