Marmot Hydrogen 30 Sleeping Bag Review

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Marmot Hydrogen 30 Sleeping Bag Review
Marmot Hydrogen 30 Sleeping Bag Review

$130.45

Description

When I first opened the box and took out the Hydrogen sleeping bag, I was surprised by how lightweight it was. At just 1 pound 7.3oz, the Hydrogen is one of the lightest down insulated bags on the market today. This is impressive considering the fact that it is water resistant. 

The Marmot Hydrogen sleeping bag is unlike any other bag on the market today. The proprietary insulation material used in the Hydrogen bag is designed to retain heat and keep you warm even when it’s wet.

This is a huge advantage when compared to conventional down sleeping bags that become useless when they get wet. 

For years, sleeping bag manufacturers have used down as the insulation material of choice. Down is light, warm when it’s dry, and inexpensive. However, down is useless when it gets wet. Down absorbs water, becomes heavy and loses its insulating capabilities.

The proprietary insulation material used in the Marmot Hydrogen is a water-resistant version of Marmot’s Pertex microlight insulation. This material is much denser than down and is used in high-end mountaineering sleeping bags. Thanks to its high loft, Pertex microlight is able to trap a surprising amount of heat and keep you warm even when it’s wet.

I’ll admit, I was skeptical when I first unrolled the Hydrogen sleeping bag and saw its unique design. The bag is shaped more like a rectangle in the chest area than a traditional mummy sleeping bag. It has a hood, toe draw cord, and hem draw cord, similar to a traditional sleeping bag. But where a traditional sleeping bag has a long, slender channel for the insulation, the Hydrogen sleeping bag has a rectangular flap of waterproof material covering the insulation.

Marmot spent years developing their proprietary insulation material, eventually settling on a water-resistant version of Pertex microlight. After weeks of testing the Hydrogen in the field, I can say with confidence that it lives up to the hype. 

The Hydrogen is an extremely warm bag, rated to 30 degrees, and would be comfortable down in the 20’s. This makes it an excellent choice for spring camping when the temperature is still a bit chilly but a 0 degree down bag would be too warm.

Stuff / Compression Sack Dimensions: 6 x 12 in.
Gender: Mens
Features: Stuff Sack Included, Draft Collar, Water-resistant
Fabric Details: 20D 100% Nylon Ripstop
Bag Weight (Regular): 1 lb 7.3 oz
Bag Weight (Long): 1 lb 11 oz
Extreme Temperature Rating: -7 Degrees Fahrenheit
Fill Weight (Regular): 12 oz
Fill Weight (Long): 13.8 oz
Max User Height (Long): 6 ft 6 in.
Foot Circumference (Regular): 39 in.
Foot Circumference (Long): 41 in.
Shoulder Circumference (Regular): 61 in.
Hip Circumference (Regular): 56 in.
Shoulder Circumference (Long): 63 in.
Hip Circumference (Long): 58 in.
Product Technology: DWR
Best Use: Camping, Winter Camping, Basecamp and Expedition
Insulation: Down
Temperature Rating: 21 – 30 Degrees Fahrenheit
Exact Temperature Rating: 30 Degrees Fahrenheit
Sleeping Bag Shape: Mummy
Max User Height (Regular): 6 Feet
Fill Details: 800+ Fill Power Goose Down
Zipper Side: Left

Marmot Hydrogen Sleeping Bag Price Comparisons

$299.25 $399.00
$276.75 $369.00

Price History

Price history for MARMOT Hydrogen
Latest updates:
  • $130.45 - July 14, 2023
  • $195.00 - May 30, 2023
  • $369.00 - May 27, 2023
Since: May 27, 2023
  • Highest Price: $369.00 - May 27, 2023
  • Lowest Price: $130.45 - July 14, 2023

Additional information

Specification: Marmot Hydrogen 30 Sleeping Bag Review

Weight (Lbs)

Temperature Rating (F)

Gender

Insulation Type

Sleeping Bag Shape

Zipper Location

Fill Power

Sleeping Bag Height Range

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