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Mountain Equipment Helium GT 600 REG sleeping bag, anvil grey

436 €
RRP 484 €
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From 29.01.2026 (Thursday) Check availability
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Mountain Equipment Helium GT 600 - REG sleeping bag

Quality sleep is one of the basic requirements for full regeneration during any outdoor activity. The Mountain Equipment HELIUM 600 down sleeping bag weighs an incredible 1090 g, while you can sleep comfortably in it at -10 °C. It is filled with high-quality duck feathers. Suitable for sleeping in a tent, winter room or under a shelter from spring to autumn.

HELIUM 20 – 100% recycled, very light, easy to pack
Helium 20 material is 100% recycled, exceptionally light (38 g/m 2 ), packable, soft and at the same time very durable. The high density of the weaving does not allow feathers to pass through, it is resistant to wind and prevents heat loss. Thanks to the water-repellent DWR treatment without PFC, it is additionally resistant to water. This material is ideal where light weight and packability are the most important factors.

The 100% recycled SUPERSOFT TM 20 inner material is chosen for its low weight (37 g/m 2 ), high breathability, exceptional durability and pleasant feeling to the touch. It is also a feather-proof material.

Quality duck feathers with 700+ fill
Very high-quality duck feathers originating from China contain at least 90% down, its filling is at least 700 cuin and meets the ethical DOWN CODEX ®. The feathers are gently cleaned with water without chemical treatment. This destroys mites and the environment for their life, which will be appreciated by allergy sufferers. The feathers retain their important fatness and loft, are easily packable, have high insulation and low weight.

Construction details of the sleeping bag
In each chamber, the amount of feathers is precisely calculated per gram for minimum weight and maximum warmth. This innovative "Chamber by Chamber" approach was developed by Matt Fuller, who is the only outdoorsman with a PhD in feather research. Structurally exceptional insulation - the so-called Body-mapping takes into account the needs of each part of the body separately. That's why Matt Fuller calculated the exact feather density in each chamber separately.
Product features
100% recycled surface material HELIUM TM 20 D is light, highly breathable and wind-resistant and treated with PFC-free water-resistant DWR treatment
656 g of duck down 90/10 with a minimum fill of 700 cuin
GT Fit cut - spacious and comfortable, allows sleeping in different positions
Slanted chambers – for maximum thermal efficiency with minimal weight
Optimized feather distribution and precise volume for each chamber separately
Anatomically shaped hood with 5 chambers
Anatomically shaped and beveled foot area from 4 chambers
Full-length zip side gusset and integrated neck collar with simple Lode Lock™ magnetic closure
Supplied with waterproof case and storage net
Product details
Sex Unisex
Colour Anvil Grey
Filling down
Temperature determination three-season, winter
Sleeping bag shape mummy
Sport alpinism, camping
Sleeping bag length 192 cm
Internal width 76 cm
Body height 185 cm
Insulation duck feathers/down, 90/10
Temperature range Comfort: -5 °C Comfortable sleep: -10 °C Comfort limit: -11 °C Extreme: -31 °C
Dimensions 27 x 23 x 23 cm (when packed)
Weight 1090 g
product ID 184699
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Mountain Equipment
Sleeping bags Mountain Equipment
Honesty, responsibility and deep respect for the mountains, the environment and nature. These are the values of the British brand Mountain Equipment, which has been part of countless expeditions and climbs to the highest peaks in the world since 1961. For more than 60 years, it has been producing top quality equipment for the most daring mountaineering and polar expeditions to the most inhospitable places on the planet. It prides itself on premium materials and is a major development partner of the GORE-TEX membrane manufacturer
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