Pair it with the matching organic pillow and save 15% automatically at checkout.
The down alternative without the polyester. Hand-tufted with long-staple GOTS Certified Organic cotton inside and out. Free of pesticides, microplastics, formaldehyde, and PFAS.
Cotton fill distributes evenly across your body without clumping, migrating, or developing cold spots the way down does after a season of use. The hand-tufting holds it in place for years. Sleeps cool in summer, breathable for layered warmth in winter.
Sleep on it for 60 nights. If it's not right, send it back free for a full refund. Return policy
Free shipping both ways. Most orders arrive in 4-7 days. Get in touch if you need an update on yours.
Every Circadian pillow is designed in Washington, DC and handcrafted in our New Jersey workshop. The product specs, fill ratios, material sourcing, and adjustable-zipper system all originate from our DC headquarters. Manufacturing happens stateside by skilled workers who specialize in natural-fill bedding.
Plant or animal fibers only, with no chemical processing in the build. The cover, fill, thread, and dye process all carry independent certification (GOTS for cotton and wool fills, OEKO-TEX for latex).
Designed in Washington, DC · Handmade in New Jersey
Most duvets at this price are box-stitched or channel-sewn. Both fail predictably. Box stitches let the fill bunch in the corners. Channels let it migrate to one end. After two seasons you're sleeping under a duvet with cold spots.
Hand-tufting is the older method. Each tie is a small twisted-cord knot worked through the duvet by hand, holding the cotton in place without compressing it. The technique takes longer to do. It outlasts both alternatives by a decade.
Each Circadian duvet is tufted in our New Jersey workshop. The ties sit at 20-centimeter intervals across the duvet. You can see them as small dimples on the surface, and feel them as gentle anchor points that keep the loft uniform from corner to corner.
Every Circadian duvet is GOTS Certified Organic end to end. The fill, the shell, the thread, and the dye process are all certified together under license GOTS-10229, issued by Oregon Tilth. The license number is publicly searchable on the GOTS database. Most competitors certify only the shell.
Long-staple fibers are smoother, springier, and last years longer than the short-staple fibers in commodity duvets. Cotton is dense and even. It distributes weight across your body without clumping into pockets, and the long-staple fibers stay loftier longer than the short fibers in cheaper duvets. The duvet feels substantial and grounded.
A tight-woven cotton sateen that feels soft against skin and keeps the fill contained without trapping heat. GOTS Certified Organic, undyed, woven from the same long-staple cotton as the fill.
GOTS Certified Organic cotton thread for every stitch and tuft. No polyester thread anywhere in the duvet. This is the detail almost every competitor skips because cotton thread is more expensive and harder to source.
Hand-tied at 20-centimeter intervals to hold the fill where it was placed. Reinforced with a backstitch under the shell. Built to outlast the duvet itself.
Circadian duvets are cut to standard US dimensions, so the duvet you order fits any cover labeled with the same size from Brooklinen, Parachute, Coyuchi, Boll & Branch, West Elm, and most other US bedding brands.
| Size | Dimensions | Best for | Weight |
|---|---|---|---|
| Queen | 88" × 92" | Queen and full beds, single sleepers with overhang | ~6 lb |
| King | 104" × 92" | King beds, couples who want generous coverage on both sides | ~7 lb |
| California King | 104" × 96" | California King beds, taller sleepers | ~7 lb |
Dimensions are approximate. Each duvet is hand-tufted, so size can vary by half an inch. Pair with any duvet cover in the same size.
Honest read of where each fill wins and where it loses. Heavier than down. More breathable than polyester. The right answer for anyone who runs hot but wants warmth on cold nights.
| Circadian Cotton | Down | Polyester / synthetic | Wool/cotton blend | |
|---|---|---|---|---|
| Allergens | No down, no dust mite habitat | Feather and dust mite allergens | No down or feathers | Low allergen risk |
| Chemicals | GOTS Certified end to end, no flame retardants or PFAS | Often treated for feather migration | Microplastic shedding, possible PFAS finish | Depends on the brand |
| Temperature | Cotton breathes well, sleeps cool in moderate weather, and gives you the option to add ... | Very warm, runs hot for some sleepers | Traps heat and moisture | Breathes, regulates well |
| Construction | Hand-tufted with twisted-cord ties | Baffle-box or sewn-through chambers | Box-stitched or channel-sewn, migrates over time | Varies; usually box-stitched |
| Lifespan | 10 to 15 years | 5 to 8 years before loft loss | 2 to 4 years before clumping | 5 to 8 years |
| Weight feel | Substantial, grounded | Light and lofted | Light and synthetic | Moderate |
Comparison reflects typical products in each category. Individual brands vary. Down wins on lightness; we don't pretend otherwise. We win where it matters more to most buyers: allergens, chemicals, construction, and lifespan.
I'm allergic to down and most synthetic fills give me morning headaches. This is the first duvet I've owned that doesn't trigger anything. The weight feels right, the cotton breathes, the hand-tufting doesn't shift. There's nothing I'd change.
My Brooklinen down-alternative had started clumping at the bottom and going flat in the middle. This one weighs more, feels more substantial, and the tufts keep the fill exactly where it was placed. Worth the upgrade.
Switched from a polyester comforter that I'd had for years. The difference is real. The cotton breathes overnight. The polyester was making me sweat without realizing it. Three weeks in, I sleep deeper.
Each duvet is hand-tufted in our New Jersey workshop with twisted-cord ties that hold the fill in place over years of use. The technique is older than sewn channels or box-stitching, and it doesn't migrate. The fill stays where it was placed.
Down compresses under your weight and clusters cold spots over time. Our cotton and wool fills stay loftier longer, distribute heat more evenly, and don't trigger feather allergies. They're also heavier than down, which a lot of people prefer for the weighted feel.
Yes. Both the cotton and wool duvets are full-weight three-season covers. The wool version handles colder rooms better because wool traps warm air without trapping moisture. The cotton version is best for people who want lofted warmth without overheating.
Cotton breathes well and is comfortable in moderate summers. Wool actively wicks moisture away from your skin, which is why it feels cool to hot sleepers even on warm nights. If you're in a climate that gets above 80°F at night, the wool duvet is the better choice.
Queen: 88 by 92 inches. King: 104 by 92 inches. California King: 104 by 96 inches. Both duvets fit any standard duvet cover in the same size, including covers from Brooklinen, Parachute, Coyuchi, Boll & Branch, and West Elm.
No. The duvet is the insert, designed to live inside a removable cover that you wash. We recommend organic cotton percale or sateen covers; we don't currently sell our own.
Spot clean only. For the cotton duvet, you can occasionally machine wash on cold gentle and tumble dry low if needed. The wool duvet should not be machine washed; wool needs to be aired in sunlight every few months and dry-cleaned only if heavily soiled. The cover you keep on it gets washed, not the duvet itself.
No. Long-staple wool is soft, springy, and contained inside an organic cotton sateen shell. You won't feel the fibers through the cover.
Cotton is denser than wool, so the cotton duvet feels heavier per square inch. Most people read this as comforting rather than oppressive. Queen weighs around 6 pounds, King and California King around 7.
10 to 15 years with normal use and a duvet cover. Hand-tufting outlasts sewn channels and box-stitching by a wide margin because there's no thread under tension that can wear through.
Yes. Both the cotton and wool duvets are GOTS Certified Organic end to end. That covers the fill, the shell, the thread, and the dye process, all certified together. The license number is GOTS-10229, certified by Oregon Tilth and publicly searchable.
60-night sleep trial with free shipping both ways. If you don't love it, send it back for a full refund. We don't ask anyone to keep something they're not going to use.