UOG TOP PICK - Marmot's Helium Sleeping Bag - Best for overall warmth, pack size and price - We've singled out Marmot's Helium Sleeping Bag as one of our top recommendations because it offers a superb balance of quality, low weight, packability and performance, all at a very reasonable cost. It's over £100 cheaper than it's closest competitor.

It's the combination of light weight, small pack size, excellent construction and reasonable cost make it a great value choice for 3 season backpacking. The Helium is mummy style sleeping bag featuring 800+ fill power hydrophobic down, a full length zipper, lots of loft and an extremely effective hood design.

Marmot says:

The popular Helium packs smaller than a loaf of bread, weighs less than two pounds and keeps you warm down to 15°, making it ideal for lightweight mountaineering and backpacking.

Part of Marmot's ultralight range of sleeping bags, the Helium offers a superb balance of quality, low weight, packability, and performance versus cost. It's comparable to many more expensive products, as it is lighter and more compressible than almost all of its competitors.

The Marmot Helium uses 800+ fill power down protected with Marmot's Down Defender to help the down to stay dry longer, loft better when damp and dry more quickly than untreated down. The Pertex Microlight fabric offers a combination of lightweight and good durability plus it's DWR coating will offer some water resistance. The fabric feels really soft which allows the down to loft freely and the slightly brushed feel of the Microlight lining fabric is extremely comfortable against your skin.

- Reviewed by Ultralight Outdoor Gear

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UOG TOP PICK - Marmot's Helium Sleeping Bag - Best for overall warmth, pack size and price - We've singled out Marmot's Helium Sleeping Bag as one of our top recommendations because it offers a superb balance of quality, low weight, packability and performance, all at a very reasonable cost. It's over £100 cheaper than it's closest competitor.

Help and advice:
Help and advice:

Fold-Down Second Zipper Provides added Ventilation and Easy Access, Main Zipper Anti-Snag Slider reduces Snagging
Anatomically Designed Footbox with Wrap-Around Construction increases Warmth
Smooth-Curved Baffles Reduce Down Shifting. Nautilus Multi-Baffle Hood limits heat loss
Filled and Finished in Rohnert Park, California
Certified 800+ Fill Power Goose Down
EN Tested
Ultralight Pertex Microlight 20d 100% Nylon Ripstop DWR 1.03 oz/sqyd
Full Length Locking YKK Two Way Zipper with Zip-Guard Slider
Down Defender to Improve Water-Resistance in Wet Conditions
Nautilus Multi-Baffle Hood
Internal Stash Pocket
Snagless Insulated Draft Tube
Hood Draw Cord
Two Way Zipper Sliders
Zipper Garage
Stretch Tricot Baffles
Two Hang Loops
Stuff and Storage Sack Included

Regular	Long
Regular bag weighs: 966g Regular length fits: 183cm Fill weight: 560g Interior length: 206cm Shoulder width: 155cm Hip width: 142cm Foot width: 113cm Stuff sack dimensions: 17.8 x 35.6cm	Long bag weighs: 1040g Long length fits: 198cm Fill weight: 620g Interior length: 221cm Shoulder width: 155cm Hip width: 142cm Foot width: 113cm Stuff sack dimensions: 17.8 x 35.6cm

Certified 800+ Fill Power Goose Down
Left hand zip
EN Rating Comfort limit: 22.6°F / -5.2°C
EN Rating Lower comfort limit: 10.4°F / -12.0°C
EN Rating Extreme limit: -24.3°F / -31.3°C

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