Mont Helium 450 Down Sleeping Bag - Vertical Baffles Features_-40° C SPARK is designed for permanent

SPARK is designed for permanent use in the toughest conditions

Now featuring the same thermo-regulating formula as their proprietary ActiveTemp™

Working load 1100 kg

Catering for both the experienced multi-day hiker looking for a challenge and those taking young children on their first overnight hike

has an innovative system

Mont Helium 450 Down Sleeping Bag - Vertical Baffles Features_-40° C SPARK is designed for permanent1 TO 7C 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 450 allows temperature regulation with dual zippers & offers incredible warmth to weight thanks to 800+ loft down. Maximise your pack space with a compact, lightweight and versatile Helium 450 sleeping bag. Ultralight shell