Helium Sleeping Bag Expansion Baffle

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The Sleeping Bag Expansion Baffle is a great piece of kit if you are extending the useable range of your sleeping bag by wearing more clothes, its not uncommon to wear a down jacket inside your sleeping bag when its cold – expanding the internal volume in this way gives you ore scope.

Mountain Equipment says:

A lightweight expansion baffle providing greater internal space to our down sleeping bags.

Our Verdict

Mountain Equipment’s Helium Sleeping Bag Expansion Baffle is a great innovation, Helium bags are one of Mountain Equipment’s premium backpacking ranges and as such are cut for warmth rather than internal volume – with this expansion baffle you can create a bit more space easily. If you are using your Helium bag in colder conditions and want to wear more clothing the baffle may be a great option.

– Reviewed by Ultralight Outdoor Gear

Features

• Expands any Helium sleeping bag by 13 cm / 5 inch width*
• 2 YKK® zips allow baffle to zip into existing sleeping bag
• Supplied with lightweight stuff-sack
• *Not compatible with Helium Solo **Compatible with all our sleeping bags with 140cm zips

Specifications

• Weight: 128g

Material & Construction

• 100% recycled HELIUM 20D outer shell is very light and highly breathable with PFC free DWR
• 30g of 90-10 Pure Duck Down with a minimum fill power of 700
• 100% recycled Supersoft 20D lining fabric with PFC free DWR

Help & advice:

• Mountain Equipment Sleeping Bag Guide
• All About Down
• Why is ‘PFC Free’ Important?
• Recycled Content in Outdoor Gear