Mont Helium 450 -1°C to -7°C Down Sleeping Bag - Extra Large Left Hand Zip bis_hidden which features our 3-in-1 cap

which features our 3-in-1 cap for easy filling

140g (size Medium) of 90/10 water resistant fluorocarbon-free HyperDRY™ down at 750+ fill power

*Measurement is around the neck

This formula also improves gear repairs by cleaning the surface and shortening tack time to 15 minutes

equipped with the grip

Mont Helium 450 -1°C to -7°C Down Sleeping Bag - Extra Large Left Hand Zip bis_hidden which features our 3-in-1 capA 3 to 4 season ultralight down sleeping bag designed for minimum weight (only 800g!) & maximum versatility, the Helium 450 has proven popular with hikers in a range of climates from coastal walks to sub alpine elevations. OVERVIEW A 3 to 4 season ultralight sleeping bag designed for minimum weight (only 850g!) & maximum versatility, the Helium 450 has proven popular with hikers in a range of climates from coastal walks to sub alpine elevations. The