3D Quilt Three Season

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Ordering window: January thru Spring 2023

An advanced 2-3 season backcountry quilt design with two insulation levels.

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Pay via Credit Card or Paypal Account

Ordering window: January thru Spring 2023

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

For the cold sleeper wishing to combat drafts effectively the 3D in this configuration provides solid 2 season mountain use. 


Two levels of insulation: Conservatively rated at 35°F and 25°F.  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.

Goose down. We use only high quality 900 fill power goose down, in plain untreated or Hyper-Dry to resist loft-killing moisture. Our batches are certified ethically sourced/harvested and can be tracked upon request.

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.

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 width is offered in three sizes. 60" is the gold standard mummy circumference that fits most. Very small frames will benefit from the 54" to entrap less dead air. Folks desiring lots of wiggle room can select the 66". 

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

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3D Quilt Three Season

3D Quilt Three Season

Ordering window: January thru Spring 2023

An advanced 2-3 season backcountry quilt design with two insulation levels.

Product Options
25°F / -4°C
35°F / 2°C
Inside Length
62" - Extra Short
66" - Short
70" - Medium
74" - Long
78" - Extra Long
Shoulder Width
54" inside circumference. Small frames, skinny people
60" inside circumference. Fits most.
66" inside circumference. Very roomy.
Footbox Size
40" circumference foot end
44" circumference foot end
Differential Cut
Yes. Please!
Shell Material

Moroccan Blue Ripstop 10d - Lightest, most breathable
Grey Ripstop 10d - Lightest, most breathable
Purple Ripstop 10d - Lightest, most breathable
Forest Green Ripstop 10d - Lightest, most breathable
Dark Olive Ripstop 10d - Lightest, most breathable
Brilliant Blue Ripstop 15d - More durable, breathable
Grey Ripstop 15d - More durable, breathable
Moroccan Blue Ripstop 15d - More durable, breathable
Black Ripstop 15d - More durable, breathable
Purple Ripstop 15d - More durable, breathable
Dark Olive 15d - More durable, breathable
Dark Forest Ripstop 15d - More durable, breathable
Waterproof/Breathable Shell Options
No Thanks!
Grey Robic Weatherproof 7d - Applied Only to Lower Third and Top Draft Collar
Liner Material
Breathable 10D Taffeta, Black.
Inside Footbox Liner upgrade
No Thanks!
Yes, please include 20d durable foot liner material
Down Type

Choosing Hyper-Dry moisture resistant down will help combat the effects of perspiration, misting tents and damp air. Nunatak products made with Hyper-Dry down will have a slight increase in bulk over those made with regular down.

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. For most quilts/bags the overfill amount ranges from 45-65 grams of extra down

No Thanks
Overfill in foot section
Overfill in torso section
Overfill evenly throughout
Draft Tubes Along Zipper
No Thanks!
Dual Draft Tubes Along Zipper
#3 YKK Coil. One way. Inside/outside slider pull. Lightest option.
#5 YKK Coil. Two way. Inside/outside slider pull. More durable option.
Integrated Neck Draft Collar with Cord Channel
Yes, Please!
Your Measurements
Shoe Size 
Stuff Sack
Yes, please include a stuff sack
No stuff sack