The Helium 800 Long sleeping bag is the perfect companion for backpacking and trekking in cold, dry conditions. Whether you're staying in unheated tea houses in the Himalayas or winter rooms in the Alps, this warm yet lightweight bag is an ideal choice. It features 734g of minimum 700 fill power DOWN CODEX-approved duck down, encased in a high-performance, 100% recycled Helium 20D outer fabric. The Helium 800 is designed to be supremely comfortable, lightweight, and ultra-compressible for easy packing, making it versatile and durable for various outdoor adventures.The slant-baffle construction throughout the body maximizes warmth, improves packability, and prevents down migration, ensuring consistent warmth and eliminating cold spots. A four-baffle system at the foot of the bag focuses warmth around your feet while a five-baffle hood system optimises comfort and keeps the down in place.Inside, a 100% recycled Supersoft 20D lining fabric with PFC-free DWR provides breathability and durability, ensuring comfortable nights and a long lifespan. The full-length Gemini entry zip baffle virtually eliminates heat loss in this vulnerable area and is stiffened to prevent snagging. The low-profile magnetic Lode Lock closure and collar drawcords are user-friendly, even in the dark.Designed with a technical yet comfortable women’s-specific Alpine 2.0 fit, the Helium 800 optimises thermal performance while minimizing weight. With a Good Night’s Sleep Temperature of -13°C (9°F), this reliably warm and packable bag is perfect for camping, trekking, and ski touring in cold but dry conditions. Womens Helium 800 Sleeping Bag - Long