Buckwool Hybrid · Two Fills, One Pillow

What a buckwool hybrid pillow is, and who it's for

Written and reviewed by Jacob Katz and Kris Estigoy · Circadian, New Jersey

Some nights your neck needs firm support, and some nights it wants something soft. This conversation gets into the buckwool hybrid: firm buckwheat on one side, soft organic wool on the other, each side adjustable on its own, and how the wool side answers the two things people change about pure buckwheat.

Watch on YouTube. Full transcript below.

Why the buckwool hybrid works

A buckwool hybrid pillow puts two natural fills in one cover: firm, cool, moldable buckwheat hulls on one side and soft, silent, temperature-regulating organic wool on the other, separated by an internal divider, so you flip to the side your neck needs that night.

  • The buckwheat side gives firm cervical support that holds your neck neutral, with passive-airflow cooling
  • The organic wool side is soft and silent, and answers the two things people hesitate about with pure buckwheat
  • One zipper and an internal divider let you adjust each chamber independently, like two pillows in one cover
  • Both fills resist dust mites, and the wool side wicks up to 30% of its weight in moisture

What this video covers

How to choose a two-sided hybrid pillow

  1. Confirm the two fills are physically separated by an internal divider, so the buckwheat and wool keep their own character.
  2. Check that each chamber adjusts on its own through the zipper, so you can set the firm side and the soft side independently.
  3. On certification, the wool side and cotton cover should be GOTS certified, license GOTS-10229; the buckwheat side is USA-grown natural hulls, so the whole pillow is natural, not organic.
  4. Expect real weight, around ten pounds, since it holds two full fills, and remember it contains wool, so it is not vegan.

Full transcript

What a buckwool hybrid pillow is

HostHere's a problem a lot of people don't have words for. Some nights your neck needs firm support, and some nights it just wants something soft. One pillow usually picks a side and you're stuck with it. So what do you do when your body keeps changing its mind?

ExpertYou get a pillow that changes with it. That's the buckwool hybrid. One side is firm buckwheat, the other side is soft organic wool, and you flip to whichever one your neck is asking for that night.

HostSo it's two pillows pretending to be one.

Two fills, one cover, kept apart

ExpertIt's two real fills sharing one cover. There's an internal fabric divider down the middle that keeps the buckwheat hulls on their side and the wool on its side. They never mix. You're getting the full character of each fill, in the same pillow, and you choose which one meets your head tonight.

HostLet's start with the buckwheat side, because that's the support half.

The buckwheat side and its support

ExpertRight. The buckwheat side is the same USA-grown, pre-polished hulls we use in the standalone buckwheat pillow. They flex under your head to take its shape, then lock against each other and hold. Your neck stays in a neutral line all night, and air moves between the hulls to keep that side cool. For firm cervical support, nothing holds a position like it.

HostAnd the wool side?

The organic wool side

ExpertThe wool side is GOTS certified organic wool. It's soft, it's silent, and it regulates temperature by wicking moisture, up to thirty percent of its own weight, while staying dry against your skin. So on the nights your neck feels fine and you just want a gentle, quiet surface, you flip to wool.

HostI want to slow down on something. People who know buckwheat know it has two things people wish they could change. It's firm, and it makes a soft sound. Does the wool side connect to that?

How wool answers buckwheat's two hesitations

ExpertThat's the whole idea behind the design. The wool side is the answer to both of those. The nights buckwheat feels too firm, wool is the soft option. The nights you want total quiet, wool is silent. You keep every bit of buckwheat's support, and you get a built-in alternative for the nights you want something gentler.

HostSo you're not giving anything up on the buckwheat side to get the wool side.

ExpertNothing. The buckwheat side is still fully buckwheat. The wool side is fully wool. They sit back to back, and the divider keeps each one true to itself. Two natures, working together in one pillow instead of competing.

HostThere's a quieter benefit here for allergy sleepers too. Both fills resist dust mites.

Both fills resist dust mites

ExpertThey do, and in different ways, so together they're tough on mites. Wool works on three fronts: lanolin's fatty acids turn mites away, the fiber holds a dry microclimate they struggle to live in, and the keratin scales are too hard for them to burrow into. Buckwheat resists them by never giving them the warm, humid pocket they need, because air keeps moving through the hulls. Whichever side your head is on, you're on a surface mites have a hard time colonizing, with nothing sprayed on either one.

HostAnd which side sleeps cooler?

ExpertThe buckwheat side. Air circulates between the hulls all night, so heat never builds against your head, which makes it the coolest surface we offer. The wool side stays cool too, by managing moisture instead of airflow, so it runs cooler than foam or synthetics and a touch warmer than the buckwheat side. Two different routes to not overheating, and you pick the one that fits the night.

HostNow the part that surprised me. You can adjust both sides separately.

Two chambers you adjust on their own

ExpertThis is my favorite part of the engineering. There's a single zipper that opens the whole pillow. Inside, you reach into the wool chamber or the buckwheat chamber through that divider, and you add or remove fill from one without touching the other. So you can build a tall, firm buckwheat side and a lower, softer wool side, dialed in independently. Two adjustable pillows, one cover.

HostAnd like the rest of the line, it ships overstuffed.

ExpertIt ships with about thirty percent more fill than most people want, on both sides. You take fill out through the zipper until each chamber sits at the height your neck likes. Took out too much on one side, put some back. You're tuning two surfaces to your own body.

HostLet's get the certification straight, because this one has two different materials and I know you're careful here.

What's certified organic, and what's natural

ExpertI am, because it matters. The organic wool side and the organic cotton cover are certified to the Global Organic Textile Standard, license GOTS-10229, issued by Oregon Tilth, and you can search that number in the public database. The buckwheat side is USA-grown natural hulls with no chemical processing, though buckwheat hulls don't carry a separate organic certification. So the wool and the cover are certified organic. I call the pillow as a whole natural. The buckwheat component keeps it from being a fully organic pillow, and I'd rather tell you where that line sits than blur it.

HostAnd it's worth saying, because there's wool in it, this one isn't vegan.

ExpertCorrect. If you want all of this in a vegan pillow, that's a different conversation, the buckwheat or the kapok. The buckwool has real organic wool in it, so it's not vegan, and I'd never imply otherwise.

HostNow the honest trade-off. This thing is heavy.

The weight trade-off

ExpertIt's the heaviest pillow we make, about ten pounds, because it's holding two full fills at once. The weight is part of why it works, it keeps the pillow planted on your bed and steadies the buckwheat side so it doesn't slide around under you. The flip side is simple. This pillow lives on your bed. It is not coming on a trip with you.

HostSo who is this really for?

Who the buckwool hybrid is for

ExpertFirst, anyone whose neck or back pain fluctuates. Some nights you need the firm buckwheat support, some nights your neck feels okay and you want the soft wool side, and this lets you respond to your body instead of committing to one feel forever. It's also for the person who has owned two pillows and kept swapping them in the dark. This is those two pillows in one cover.

HostAnd who should look at something else?

ExpertIf you know you only ever want firm support, get the standalone buckwheat and save the weight. If you only ever want soft, get the wool. The hybrid is for people whose needs change night to night, or who want both options on hand. And if you travel constantly, the ten pounds is a real consideration.

HostHow long does it last, and where do people go to try it?

ExpertThe wool holds up for years, the hulls go seven to ten before they break down, and we sell replacement hulls when that day comes. It's at circadianrest.com, the buckwool hybrid. Sixty nights to live with it, free shipping both ways. Give yourself about a week to figure out which side you reach for. If it isn't for you, send it back for a full refund.

HostThere it is. If your neck asks for something different on different nights, the buckwool gives you both answers in one pillow: firm, cool buckwheat on one side, soft, silent organic wool on the other, each one adjustable on its own. Thanks for hanging out with us, we'll catch you on the next one.

See the buckwool hybrid pillow at circadianrest.com. The organic wool side and the organic cotton cover are certified to the Global Organic Textile Standard, license GOTS-10229 (Oregon Tilth). The buckwheat side is USA-grown natural hulls with no separate organic certification, so the pillow as a whole is natural, not organic. It contains wool, so it is not vegan. Handmade in New Jersey since 1981.