Thermarest® NeoAir® X-Therm™

Cascade Designs

  • The NeoAir® X-Therm™ offers more warmth per gram than any other air mattress in the world. It's the lightest mattress to deliver full "EN rated" warmth for your Zenbivy Bed (or any other EN rated sleeping bag). Oh and if that's not cool enough, it's also incredibly comfortable.

     

     

Size Guide
Size


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Size Guide

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 Quilt Dimensions (flat) Fits mattress Thermarest® size Dry Sack size Compressed Size
20R 20” Sheet + Regular Quilt 4’10 to 5’10” 75 to 175 pounds 78” x 54” 20” x 72” up to 3” thick Regular 7-10 liters 5 liters
20L 20” Sheet + Large Quilt 5’6” to 6’6” 125 to 225 pounds 86” x 58” 20” x 72” up to 3” thick Regular 7-10 liters 5 liters
25L 25” Sheet + Large Quilt 5’6” to 6’6” 175 to 275 pounds 86” x 58” 25” x 77” up to 3” thick Large 7-10 liters 5 liters