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Zenbivy Light Bed -5°F modular sleep system in black and blue, designed for winter camping comfort with mummy bag warmth and backpacking quilt versatility.

The Future of Winter Sleeping Bags Isn’t a Bag at All. It’s a Bed.

Experience winter camping comfort with the Zenbivy Light Bed -5°F—the only quilt system that offers mummy bag warmth with backpacking quilt versatility and comfort, even in harsh winter conditions.

Shop Winter Light Bed -5°F

Pair a quilt with a sheet to create a Zenbivy Winter Light Bed.

Bundle & Save 15%

Save 15% when you buy a complete bed bundle—quilt, sheet, mattress, pillow, and dry sack. Just choose your sizes & colors!

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Man winter camping in snowy forest, staying warm inside a lightweight tent with a Zenbivy Light Bed sleeping system and insulated jacket.

Lighter Than a Mummy Bag

....and JUST as warm.

Our innovative 2-piece design maximizes down efficiency by concentrating insulation where it matters most—above you, not compressed beneath. The result? A lighter, more versatile winter sleep system that's every bit as warm as traditional mummy bags at -5°F.

Woman demonstrating how the 2-piece Zenbivy sleep system blocks all drafts, unlike its competitors which lift to let in cold air as you turn over.

How our patented 2-piece design works to...

Block Drafts

Together, the hood and wings of the sheet create a draft shield. Attaching your quilt to the draft shield keeps it "tucked" at your sides to block drafts and guides the corners of the quilt into the hood to seal in warmth around your neck and shoulders.

Demonstration of how the 2-piece Zenbivy sleep system eliminates constriction and keeps the quilt on the mattress.

& Eliminate Constriction

The sides of the draft shield function as hinges, allowing the quilt to move freely, expanding and settling naturally while keeping the quilt from falling off the mattress.

This unique design instantly gives you space when you need it and the ability to wrap the quilt snuggly around you when you want it.

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Which Footbox Is Right for You?

  • Unlike sewn footboxes that restrict your movement and do not vent, Zenbivy’s Fast Footbox™ uses a single clip that allows it to expand for more space or narrow for more warmth.

    Fast Footbox™

    Unlike sewn footboxes that restrict your movement and do not vent, Zenbivy’s patent-pending Fast Footbox™ uses a single clip that allows it to expand for more space or narrow for more warmth.

  • The Light Quilt Convertible features a fully-convertible, zipperless, proven draft-free footbox for maximum versatility.

    Convertible Footbox

    The Light Quilt Convertible -5°F features a fully-convertible, zipperless, proven draft-free footbox for maximum versatility. Convertible quilts are compatible with our Duvet Covers for use at home.

Snow-covered mountain range glowing under a pink sunrise sky with the moon overhead, perfect backdrop for winter camping and alpine adventures.

Winter Sleeping Pad System

For winter conditions (temperatures below 10°F, sleeping on frozen ground/snow/ice), you'll need a sleeping pad system with a recommended R-value target of 7.0.

Layer your 3-season mattress (R4.5-5.2) on top of a closed-cell foam pad (around R2). The foam pad is essential for safety as it can't puncture, providing crucial backup if your inflatable mattress fails in extreme cold.

Back of Zenbivy Light Sheet Full Length on Light Mattress to show fit on rectangular camp sleeping pad.

Fits Most Mattresses

Zenbivy sheets are designed to fit most standard size mattresses on the market, including rectangular and tapered styles.

View the Size Guide

Explore More Features

Explore the Materials

  • Close-up of Zenbivy Nylon Taffeta shell fabric, available in 15D and 20D, smooth and durable material used in camping quilts and sleeping bags.

    20D Nylon Taffeta

    20D fabrics are much softer than traditional ultralight technical fabrics while being only a fraction heavier. They’re buttery-smooth, comfortable, durable, and worth the minuscule weight penalty. 

  • Close-up of premium down insulation fibers used in Zenbivy sleeping bags and quilts, providing lightweight warmth for backpacking.

    800FP HyperDRY™ Down

    Built for performance, our premium 800 fill-power HyperDRY™ down from ALLIED Feather + Down uses a natural wax-based compound to make it water-resistant. It is durable, fluorocarbon-free, and RDS (Responsible Down Standard) compliant.

  • Close-up of Zenbivy quilt’s lightweight clip attachments, ensuring a secure, draft-free connection to the sleep system while maintaining minimal weight.

    Lightweight, Secure Clips

    Our color-coded clip closures are nearly weightless, proven draft-free, and practically disappear when you're using the quilt on its own.

Light Quilt -5°F
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Light Quilt Convertible -5°F
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Light Sheet Full Length -5°F
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Price
Price
From $359.00
From $379.00
$139.00
Weight
Weight

Regular: 2 lb 7 oz (1.10 kg)
Large: 2 lb 12 oz (1.25 kg)
XL: 3 lb 3 oz (1.44 kg)

Regular: 2 lb 11 oz (1.22 kg)
Large: 3 lb (1.36 kg)
XL: 3 lb 7 oz (1.56 kg)

25": 11 oz (312 g)
30": 12 oz (340 g)

Limit / Comfort Rating
Limit / Comfort Rating

-5°F (-20°C) / 5°F (-15°C)

-5°F (-20°C) / 5°F (-15°C)

-5°F (-20°C) / 5°F (-15°C)

Fill
Fill

Down: 800FP HyperDRY™ water-resistant 90/10 duck down (PFAS-free)

Down: 800FP HyperDRY™ water-resistant 90/10 duck down (PFAS-free)

Down: 800FP HyperDRY™ water-resistant 90/10 duck down (PFAS-free)

Fill Weight
Fill Weight

Regular: 818 g
Large: 933 g
XL: 1,078 g

Regular: 874 g
Large: 999 g
XL: 1,150 g

25": 135 g
30": 153 g

Fabric
Fabric

Liner: 20D Nylon Taffeta, coating-free, cire, fluorocarbon-free DWR (PFAS-free), 36gsm

Shell: 20D Nylon Taffeta, coating-free, cire, fluorocarbon-free DWR (PFAS-free), 36gsm

Liner: 20D Nylon Taffeta, coating-free, cire, fluorocarbon-free DWR (PFAS-free), 36gsm

Shell: 20D Nylon Taffeta, coating-free, cire, fluorocarbon-free DWR (PFAS-free), 36gsm

Liner: 20D Nylon Taffeta, coating-free, cire, fluorocarbon-free DWR (PFAS-free), 36gsm

Shell: 20D Nylon Taffeta, coating-free, cire, fluorocarbon-free DWR (PFAS-free), 36gsm

Sheet Sizing
Sheet Sizing
-
-

25": Fits mattresses up to 26” x 78” x 3.5"+ (66 x 198 x 9+ cm)

30": Fits mattresses up to 31" x 80" x 3.5"+ (79 x 203 x 9+ cm)

Recommended Dry Sack Size
Recommended Dry Sack Size

20L

20L

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