7 Organic Cotton And Bamboo Baby Onesies (Editor Review)
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Our team has outfitted our babies in organic clothing brands for years — these are our top selections for onesies that are made with organic and natural materials.
As a new mom to a daughter born this past June, I quickly realized that choosing baby clothes goes far beyond aesthetics. With sensitive skin to consider and a firm commitment to avoiding harmful chemicals and unsustainable practices, I became focused on finding onesies that are both safe and functional. 🫶
We’ve tested a wide range — from luxurious bamboo blends to crisp organic cotton, from traditional zippers to innovative magnetic closures — all with an eye toward durability, softness, and ease of use. These pieces have endured spit-up, multiple washes, and constant movement without compromising comfort or integrity. More than that, I want transparency from the brands I trust — how their clothes are made matters as much as how they perform.
Below are our (or rather, my daughter’s!) top picks: Onesies that meet the highest standards of material quality, thoughtful design, and sustainability — so we new parents can focus on what really matters: Snuggles and getting a minute to reheat the coffee!
Why choose organic and natural materials for onesies?
Choosing the right fabrics for your baby’s clothes goes beyond softness — it’s about safety, sustainability, and durability. Organic cotton, along with bamboo-derived fabrics like TENCEL™ and modal, are standout options for sensitive skin. Organic cotton is grown without harmful pesticides and chemicals, making it gentler and less likely to cause irritation or allergic reactions. Meanwhile, bamboo-based fabrics like TENCEL™ and modal are prized for their breathability, moisture-wicking properties, and silky feel, offering natural temperature regulation that keeps babies comfortable year-round.
From an environmental perspective, organic cotton uses significantly less water and energy compared to conventional cotton, and it decomposes more quickly, reducing landfill waste. Bamboo fibers, too, grow rapidly with minimal resources, making them a sustainable choice. Plus, these fabrics tend to be more durable, holding up better to repeated washes and everyday wear — key for the nonstop adventures of little ones. Choosing organic cotton or bamboo blends means opting for natural, safe, and long-lasting materials that support both your baby’s well-being and the planet.
What should I look for when shopping for onesies?
Whether you’re shopping for your own baby or picking out clothes for a baby shower gift, it’s about more than just picking cute prints — you want onesies that keep the baby safe and comfortable. Look for fabrics that are free from flame retardants and harsh chemicals to protect sensitive skin. A snug fit is key, especially for sleepwear, helping reduce risks like overheating and air pockets. For reference, my daughter is three months old in the photos below and weighs 10 lbs (height is 22 inches). I’ve made notes about how the onesies from different brands fit her since they can vary!
Double-zip closures make diaper changes a breeze, saving you from fumbling with tiny buttons in the middle of the night. And don’t overlook zipper garages — the little fabric flap that tucks the zipper away and keeps your baby’s skin scratch-free. These thoughtful details make all the difference when it comes to finding onesies you’ll actually reach for again and again.
Our criteria:
I personally tested dozens of organic onesies with my daughter, researched and corresponded with brands, and scoured thousands of customer reviews to choose the very best. Here is what I kept in mind as I tested (note that we continually update this list with emerging favorites that meet our criteria!):
- NONTOXIC | These onesies are made with your baby’s health in mind — free from harsh synthetics, chemicals, and dyes, so only the safest fabrics touch their skin.
- COMFORT | Absolutely essential! Soft, breathable, and cozy enough to help my baby sleep peacefully (well, most nights anyway).
- DURABILITY | After countless washes, these onesies still feel just as soft and look just as fresh as the very first day.
- ETHICS | Every brand we picked stands for responsible, fair, and transparent production — because caring for people and the planet matters.
Whether you’re preparing for your own baby or celebrating the newest family member of a loved one, check out our guides to the best diaper bags, convertible cribs, and the best nontoxic car seats without flame retardants.
1. Little Sleepies
Best For | Bamboo zip onesies that are designed to fit longer
Materials | 95% viscose from bamboo; 5% spandex
Price | $34
Little Sleepies has become a fast favorite in our house — not just because the pajamas are soft (they are), but because of what they’re made of. Their signature Lunaluxe® fabric is a custom-milled bamboo blend that’s breathable, hypoallergenic, and buttery against my daughter’s skin — ideal for a sensory-sensitive baby and a mom who reads every label twice.
Even better, the brand is deeply thoughtful about how and where their products are made. Everything is ethically produced, free of harsh chemicals, flame retardants, and finished with natural dyes. I love the dual zippy feature for quick and cry-free diaper changes. They also have a crescent zipper option, which is unique and not something I’ve seen with other brands.
As for fit, these stretch quite a bit and are long — my daughter is just now fitting into the 0-3 months. I don’t imagine us going up in size for a few more months, so if you have a smaller or shorter baby, size down!
2. Kyte Baby
Best For | Zippered footies in 50+ colors and prints; preemie sizes
Materials | 97% rayon made from bamboo, 3% spandex
Price | $36
We brought our daughter home from the hospital in a Kyte Baby onesie, and months later, we’ve built quite the collection. The all-natural, hypoallergenic bamboo-rayon fabric is impossibly soft, breathable, and somehow gets even better with every wash.What really sets Kyte apart are the thoughtful details: No itchy tag — everything is printed right on the fabric — and the zipper garage is wide and secure, keeping the zipper tucked safely away from baby’s neck (no red marks, no fussing). She’ll be wearing one of their seasonal prints for her first Halloween flight to the East Coast, and honestly, I get it — Kyte has thousands of five-star reviews for a reason. Fit-wise, they run true to size, but the stretch gives you a bit more wear. (They make preemie sizes, too.)
3. Motette
Best For | Bamboo sleepers with fold-over foot cuffs in all sizes
Materials | 95% viscose from bamboo, 5% spandex
Price | $44
Another brand my daughter loves? Motette. This Sydney-based line recently launched in the U.S., and their bamboo onesies have quickly become part of our nightly routine. They’re incredibly soft — especially after a warm bath — and the prints are sweet without being overly fussy. I also love the practical details, such as being tag-free, having fold-over foot cuffs on all sizes, and featuring a two-way zipper and zipper garage.
The bamboo fabric is breathable and just stretchy enough to last a little longer in each size. The snug fit meets all CPSC safety regulations, without the use of flame-retardants or harsh chemicals. My daughter is three months old now and still fits comfortably in her 0–3 month onesie. We even had a diaper leak the other night, and the damp fabric didn’t rub or irritate her skin at all. I’ll definitely be ordering more in larger sizes as she grows!
4. Colored Organics
Best For | Organic cotton onesies
Materials | 100% organic cotton
Price | $35
There’s something reassuring about organic cotton — it’s soft, clean, and uncomplicated. That’s exactly what draws me to Colored Organics. Their baby onesies are made from 100% organic cotton in GOTS-certified, fair trade facilities in India, which makes me feel good about what’s touching my daughter’s skin and how it’s made.
They’re lightweight but still warm, with just the right amount of structure — perfect when I want something that feels a bit more polished for playdates or errands. Since they don’t have much stretch, the fit is more true to size and designed to be snug for safety. Simple, well-made, and exactly what I want on hand.
5. Young Days
Best For | Gender-neutral onesies made with recycled and organic materials
Materials | Organic cotton, recycled rayon, recycled nylon, recycled polyester
Price | $18
I discovered Young Days through an Instagram ad, and now we’ve got a small stack in rotation. The prints are playful, and the colors feel like a refreshing break from the usual baby pastels. I also love that most of the styles are gender neutral — perfect for passing down if we ever have a boy.
In terms of comfort and fit, my daughter’s a happy camper in Young Days — whether she’s napping, doing tummy time, or strapped into her car seat. Most of the onesies are made from a soft blend of organic cotton and recycled materials, with just the right amount of stretch. And the price point? A win, especially considering how quickly babies grow out of everything.
6. Magnetic Me
Best For | Organic onesies with magnetic closures
Materials | Organic cotton, modal
Price | $28
As a new mom, Magnetic Me might just be the best thing to happen to middle-of-the-night diaper changes. Their footies close with hidden magnetic fasteners instead of snaps or zippers — and yes, they really do snap into place like magic (one-handed, half-asleep, in the dark… tested and confirmed).
The fabrics are just as thoughtful. They use nontoxic, baby-safe materials like organic cotton and ultra-soft TENCEL™ modal — breathable, gentle, and perfect for sensitive skin. Fit-wise, they run a little big in my experience. At three months, my daughter is just now starting to fit the 0-3 mo, with room to grow.
7. Quince
Best For | Bamboo weighted-sleep sacks, organic cotton hooded onesies
Materials | Organic cotton, bamboo
Price | $18
For something extra cozy, I’ve been loving Quince — especially for onesies that actually stand up to cooler temps. We took our daughter camping in the Sierra Nevadas when she was just six weeks old, and the 100% Organic Cotton Hooded Moto Romper kept her warm and snug through the night.
The brand also makes bamboo-weighted sleep sacks (a heads-up: They run big if your baby is on the smaller side) and a great range of organic cotton and bamboo onesies that work year-round. Everything we’ve tried has been soft, breathable, and thoughtfully made — perfect for babies who feel everything.
Kayti Christian is a Senior Content Strategist at The Good Trade. With an MFA in Nonfiction Creative Writing, her work has appeared in TODAY, Shondaland, and The New York Times. Since 2017, Kayti has been uncovering and reviewing the best sustainable home brands and wellness products. Her personal journey through four years of fertility treatments has inspired her to write extensively about women’s healthcare and reproductive access. Beyond her work at The Good Trade, Kayti is the creator of Feelings Not Aside, a Substack newsletter with 6,000 subscribers, and the cohost of the FriedEggs Podcast, which delves into IVF and infertility.
