3D Quilt.

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Two levels of warmth offering true cold weather capacity in an advanced backcountry quilt design.

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The 3D is our highest developed quilt, designed to provide ultimate efficiency via draft free warmth and weather protection, while maintaining the adaptability and easy of use of the modern backcountry quilt.

There are two levels of insulation: 3 Season and 3 SeasonPlus. The 3D, in either configuration, was designed in a response to the luke warm reviews of the generic cold weather quilt. While adequate loft is simple to achieve, it takes creativity to arrive at the necessary body-hugging shape and draft free closure, and at the same time retain most of the endearing quilt features we've come to love.

Proper experience and precautions are needed for successful applications in the conditions meant for these quilts. 


Two levels of insulation: 3 Season, and 3 SeasonPlus, conservatively defined by a range of 20° to 15°F or 10° to 5°F. The loft is a minimum of 2.75" and 3.25".  Fill volumes for either level are detailed in the charts below, and offer further insight into whether these quilts will meet your needs. 

Advanced baffle layout. Together with our carefully calculated fill volumes, the tapered and individually optimized baffles help to eliminate migrating down and cold spots. Along with loft, these are crucial design components for a cold weather quilt.

Differential cut. The outside of the quilt is built with a proportionally larger girth and length. This keeps the insulation fully lofted even when attacked by a restless sleeper.

No-strap design. The 3D Quilt is form cut to encourage hassle free wrap, while the full zipper closure offers a last resort barrier on the coldest of nights. These semi-quilts will still adapt to the typical quilt blanket mode, however not in the same sprawling manner as the more traditional Arc UL, found here.

Enhanced moisture protection in areas of exposure: Optional waterproof/breathable fabrics protects the upper quilt where moist exhalations can wet out the insulation; as well as the foot section, an area often rubbing with damp shelter walls. Also available is a full waterproof/breathable shell option. This performance fabric adds little additional weight to a finished 3D Quilt.

Hyper-Dry goose down. We use only high quality 900 fill power white goose down, treated to resist loft-killing moisture. Our batches are certified ethically sourced/harvested.

Draft collar with left and right sided cord controls. The cosy, overstuffed neck collar holds the warmth inside and keeps tight cords away from skin.

Premium Down Balaclava available at 50% cost savings. Night time heat loss from the head is not to be underestimated. Even the hood on your ultralight down jacket may be inadequate in the conditions these quilt are designed for. When purchasing the 3D Quilt there's an option for selecting our premium Down Balaclava for less than half the cost found elsewhere on this site.

Optional lining of extra durable fabric in the fully enclosed footbox. This area typically sees the most wear, whether from calloused feet or the storing and drying of footwear. Substituting the standard liner for a 20D material gives this area an edge in long term durability. Expect a minor weight increase.

Dual draft tubes along the zipper. These optional baffles are for users who anticipate sleeping with the zippered side anywhere but downwards.

Size specific zipper length. We install a zipper with a length that is balanced to the size of the quilt, ranging from 48" to 68".


The length is given in inches from the inside foot to the top of the neck baffle When cinched shut around a user's shoulders the length will shrink by several inches. Optimized for colder seasons, this quilt should be able to reach over the top of the user's head in open mode.

The standard open quilt-mode width of minimum 62" is measured unstretched. It is dimensioned to offer adequate room for even large frames when the 3D Quilt is zipped shut.

2 footbox sizes are available. The 40" is good for most folks up to size 10 or 11 shoes.  


New Standard

Outstanding design and workmanship; Ordered Jan.3 received Feb.23. have several higher end bags-this 3D is easily equal to or better. Thanks Jan.What a quilt!

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    3D Quilt.

    3D Quilt.


    Two levels of warmth offering true cold weather capacity in an advanced backcountry quilt design.

    Product Options

    The 3D Quilt is offered with two levels of insulation. With proper experience and cold weather precautions the former is useful to 15°F, the latter to 5°F .

    3 Season with minimum 2.75" loft
    3 Season+ with minimum 3.25" loft
    Include Down Balaclava with Quilt Purchase
    An exposed or inadequately insulated head causes significant heat loss. The included full size high loft down balaclava is recommended for the 3D Quilt to deliver true 3 season high mountain performance .
    No Thanks!
    Yes, Please! Get our $124 Down Balaclava for $60. Matching color and Hyper-Dry down.
    Inside Length
    Choose a length closely matching your height.
    Shoulder Width
    62" minimum in quilt mode. 30" minimum with zipper closed.
    Footbox Size
    2 sizes are available for the fully enclosed mummy style foot. Choose the bigger 44" only if you have large feet (11>) or wish to store and dry items inside.
    40" diameter foot end
    44" diameter foot end
    Shell Fabric
    Breathable 15d Ripstop, Sage Green. Pertex Quantum
    Breathable 15d Ripstop, Black. Pertex Quantum
    Waterproof/Breathable Shell Choices
    An important set of options that apply ultralight Robic waterproof/breathable shell sections to the quilt; or to the entire outer surface.
    The top and foot end usually are the most exposed to damp air and/or surfaces.
    With 'Sage Green' chosen in the Shell Fabric field the Robic WP/B additions will be Dark Olive. With the Black shell option the Robic will also be black.
    For the full coverage waterproof/breathable Robic shell two colors are offered: Neutral Grey or Blue
    Liner Material
    Breathable 10D Taffeta, Black.
    Inside Footbox Liner upgrade
    Adding the burlier 20D liner fabric option to the foot area gives this high wear area a little more durability for the long term.

    Also useful if storing and drying items inside the quilt.

    No Thanks!
    Yes, please include 20d durable foot liner material
    Differential Cut
    The standard differentially cut design creates a bigger shell compared to the liner. This allows the down volume to achieve full loft and helps eliminate cold spots.
    Yes. Please!
    Integrated Neck Draft Collar with Cord Channel
    This standard feature creates a down filled collar at the top of the quilt, aiding in draft control and keeps the stiff shock cord away from the skin.
    Yes, Please!
    The 3D Quilt is useful in regular quilt 'open' mode, with the zipper completely undone. On the coldest nights the zipper can be applied as a last defense.

    The zipper is primarily designed to be under the user, but with the optional draft tubes along the sides of the zipper, it can also face up or sideways.

    #3 YKK Coil. One way. Inside/outside slider pull.
    Draft Tubes Along Zipper
    Choose draft tubes if you want to use the quilt with the zipper facing up, or if you expose the underside when turning. Adds 45 grams total.
    No Thanks!
    Dual Draft Tubes Along Zipper
    Down Type
    900 Fill Power White Goose Down, Hyper-Dry and Ethically Sourced
    Down Overfill
    Adding overfill can prolong the life of the down, help maintain loft during moist conditions, boost the temperature rating by a small amount and keep the down volume from shifting. Expect a weight increase ranging from one to six ounces depending on the product, the size and the rating.