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The Zenbivy Light Mattress is a great match for the avid backpacker that looks for comfort at the lowest possible weight and bulk.
Both the Flex Mattress and the Light Mattress include our Inflation Dry Sack for easy inflation in under a minute. Simply snap the Inflation Dry Sack onto the mattress valve and push the air through.

Inflation Made Easy

Long gone are the lightheaded days of blowing up your mattress by breath. Both the Flex Mattress and the Light Mattress include our Inflation Dry Sack for easy inflation in under a minute. Simply snap the Inflation Dry Sack onto the mattress valve and push the air through.

Watch it in action
Zenbivy Light Mattresses start at 1 lb 5 oz. The Zenbivy Flex Mattresses start at 2 lb 2 oz.

A Valve That Works With You.

The Zenbivy Mattresses have a unique valve that keeps the air in as you inflate and allows for customizable comfort with its slow-deflation "button" feature. When it's time to pack up, the entire valve pops out completely for fast, hassle-free deflation then flip the valve, snap it back in, and the air stays out as you continue to roll!


Both the Flex Mattress and the Light Mattress are fully insulated and deliver an R-value of 5 for EN matched performance.

Real Insulation = Real Warmth

Did you know that your EN rated sleeping bag requires a mattress with an R-value of 5 or greater in order to meet its stated temperature performance? Both the Flex Mattress and the Light Mattress are fully insulated and deliver an R-value of 5 for EN matched performance.

Learn more about r-value ratings

180g of fully-baffled insulation is considered excessive when compared to most air mattresses but actually it's the minimum required to achieve R-value 5+

The Zenbivy Flex Mattress

Horizontally cored foam eliminates the cold spots found on most vertically cored mattresses and delivers a full R-value of 5 for EN-matched performance.

180g of fully-baffled insulation is considered excessive when compared to most air mattresses but actually it's the minimum required to achieve R-value 5+.

The Zenbivy Light Mattress

180g of fully-baffled insulation is considered excessive when compared to most air mattresses but actually it's the minimum required to achieve R-value 5+, allowing you to get full EN rated performance from your sleeping bag


The Zenbivy Flex Mattress is designed for maximum comfort, convenience, and warmth.

The Zenbivy Flex Mattress

Designed for maximum comfort, convenience, and warmth.

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The Zenbivy Light Mattress is a great match for the avid backpacker that looks for comfort at the lowest possible weight and bulk.

The Zenbivy Light Mattress

Soft, silent, warm. The most comfortable ultra-light mattress.

Take a video tour

Our 4-way stretch fabric allows this mattress to “flex” with your shape and movement, so the top feels softer and more supportive than other mattresses, even at firm air pressures.

The Zenbivy Flex Mattress

Our 4-way stretch fabric allows this mattress to “flex” with your shape and movement, so the top feels softer and more supportive than other mattresses, even at firm air pressures.

With a shell made of 20d polyester taffeta and 180g of fully-baffled insulation inside, you can say goodbye to the “space blanket crinkle” synonymous with most ultralight air mattresses.

The Zenbivy Light Mattress

With a shell made of 20d polyester taffeta and 180g of fully-baffled insulation inside, you can say goodbye to the “space blanket crinkle” synonymous with most ultralight air mattresses. 



Mattress Specifications

Size Chart

Unlike mummy bags, there is no thermal disadvantage to a larger size Zenbivy Bed because it is always free to wrap snugly around you. So bigger is always more comfortable and just as warm. If you are an "active" sleeper or have a "wide" sleeping position, you may want to size up to sleep naturally. When in doubt, size up.

Size Description Fits Height Fits Weight Fits mattress
Regular-20x72 Regular Quilt + 20x72 Sheet 4’10 to 5’10” up to 175 pounds 20” x 72” up to 3” thick
Large-20x72 Large Quilt + 20x72 Sheet 5’6” to 6’6” up to 225 pounds 20” x 72” up to 3” thick
Large-25x77 Large Quilt + 25x77 Sheet 5’6” to 6’6” up to 250 pounds 25” x 77” up to 3” thick
XL-25x77* Extra-Large Quilt + 25x77 Sheet up to 6’10” up to 325 pounds 25” x 77” up to 3” thick
XL-30x80** Extra-Large Quilt + 30x80 Sheet up to 6’10” up to 350 pounds 30” x 80” up to 3” thick
Size Description Fits Height Fits Weight Fits mattress
Regular-20x72 Regular Quilt + 20x72 Sheet 4’10 to 5’10” up to 175 pounds 20” x 72” up to 3” thick
Large-20x72 Large Quilt + 20x72 Sheet 5’6” to 6’6” up to 225 pounds 20” x 72” up to 3” thick
Large-25x77 Large Quilt + 25x77 Sheet 5’6” to 6’6” up to 250 pounds 25” x 77” up to 3” thick
XL-25x77* Extra-Large Quilt + 25x77 Sheet up to 6’10” up to 325 pounds 25” x 77” up to 3” thick
XL-30x80** Extra-Large Quilt + 30x80 Sheet up to 6’10” up to 350 pounds 30” x 80” up to 3” thick
Size Description Fits Height Fits Weight Fits mattress
Regular-20x72 Regular Quilt + 20x72 Sheet 4’10 to 5’10” up to 175 pounds 20” x 72” up to 3” thick
Large-20x72 Large Quilt + 20x72 Sheet 5’6” to 6’6” up to 225 pounds 20” x 72” up to 3” thick
Large-25x77 Large Quilt + 25x77 Sheet 5’6” to 6’6” up to 250 pounds 25” x 77” up to 3” thick
XL-25x77* Extra-Large Quilt + 25x77 Sheet up to 6’10” up to 325 pounds 25” x 77” up to 3” thick
XL-30x80** Extra-Large Quilt + 30x80 Sheet up to 6’10” up to 350 pounds 30” x 80” up to 3” thick

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