Mountain Equipment Helium GT 400 Anvil Grey Sleeping Bag

The Helium GT series offers a more generous fit than the standard Helium range, making it ideal for extended use and those who prefer extra room to move. Designed for comfort without compromising performance, the Helium GT 400 features 449g of minimum 700-fill power DOWN CODEX-approved duck down and a high-performance, 100% recycled Helium 20D outer fabric. Lightweight yet warm, it’s perfect for backpacking and cycle touring while providing insulation for chilly nights. Its slant-baffle construction enhances warmth, improves packability, and prevents down migration, ensuring consistent insulation and eliminating cold spots. A four-baffle system at the foot of the bag concentrates warmth around your feet, while a five-baffle hood design optimizes comfort and keeps the down precisely where needed. Inside, the 100% recycled Supersoft 20D lining with fluorocarbon-free DWR ensures breathability, durability, and long-term comfort. A full-length Gemini™ zip baffle minimizes heat loss, with a