Our long sleeve bodysuit blends temperature-regulating Merino wool and naturally breathable bamboo rayon. Thoughtful SnoozySeal closures make changes effortless, perfect for solo wear or layering—day or night.
🎁 Buy any 3, Get a Free Laundry Bag!
Please double check the name spelling is correct before placing the order. Embroidered Items are Final Sale upon order submission and can not be canceled or edited. And it will take an extra 1–3 days to process. Learn more about our embroidery process HERE
Enter the text you want embroidered on your item!
Choose a font for your personalized embroidery.
We can embroider your item in any of these eye-catching colors.
Embroidery Example
Pacifico With Champagne Thread
Borel With White Thread
Cookie With Pink Thread
Vibur With Brown Thread
Arial With Pink Thread
White
Champagne
Brown
Pink
Red
OEKO-TEX
Certification
Thoughtfully crafted from Merino wool and bamboo rayon, this newborn and infant long sleeve bodysuit delivers breathable softness and natural temperature regulation—ideal for sensitive skin. Whether layered as an undershirt or worn solo, it's the go-to baby bodysuit for all-season comfort.
1.ClimaCuddle™ climate-smart fabric: 50.8% rayon from bamboo | 49.2% Merino wool
2. Adjustable SnoozySeal closures for quick diaper changes and growing bellies
3. Fold-over cuffs for warmth and scratch protection
4. Flatlock stitching for a seamless, scratch-free feel
5. Underarm gusset for easy movement
6. Envelope Neckline for easy dressing
7. Temperature-sensing sticker signals to adjust layers
8. Personalized embroidery adds a unique touch to special moments.
ClimaCuddle™ Smart-Climate Fabric
Innovative blend by KaiyaBaby: 50.8% bamboo rayon+49.2% Merino wool
Key Benefits:
✓ Temperature-Regulating
Merino wool traps warmth in chill, breathes in heat
Bamboo rayon wicks moisture & releases excess heat
✓ Durability & Comfort
Shrinkage-resistant & fade-resistant
Softer than traditional wool (no itch)
Reduced pilling vs. standard bamboo fabrics
✓ Performance vs. Cotton
30% more breathable*
2x faster drying time*
Superior insulation for all-season wear
Ideal for shifting seasons and sensitive skin.
Fabric Safety Certifications
The ClimaCuddle™ fabric is tested and certified by SGS and meets Oeko-Tex® Standard 100 requirements, ensuring it is non-toxic and safe for your baby's irritable skin.
Care
For best results, machine wash cold (≤30°C/86°F) on a gentle or wool cycle.
Mild detergent only (no bleach)
Lay flat or tumble dry low heat.
Avoid high heat to prevent shrinkage.
| Size | Height | Weight |
| 0-3 Months | 21-23"(53-58CM) | 9-12LB (4-5KG) |
| 3-6 Months | 23-27"(58-69CM) | 12-17LB (5-8KG) |
| 6-9 Months | 27-29"(69-74CM) | 17-22LB (8-10KG) |
| 9-12 Months | 29-31"(74-79CM) | 22-25LB (10-11KG) |
| 12-18Months | 31-33"(79-89CM) | 25-27LB(11-12KG) |
✓ Keep away from heat sources - our natural fabrics aren't flame-resistant
✓ Stay nearby during naps and playtime
Free shipping applies to orders over $89 within the continental U.S.
Order processing time: 1–2 business days
Estimated delivery time: 5-12 business day.
Please note:
1. Express Shipping is not available for P.O. Boxes and APO/FPO addresses.
2. Embroidery orders cannot be returned and require an extra 1–3 business days to process.
EASY RETURNS & EXCHANGES
Contact us within 45 days of receiving your order to request a return or exchange.
For full details, please see our Returns & Exchanges Policy.
If you have any questions, feel free to contact us.
Choose options
Why blend in when they can stand out?
Superior Experience With Our New Fabric Innovation ClimaCuddle™.
ClimaCuddle™ Outperforms the Competition.
This new fabric offers a better experience than fabrics like cotton, pure bamboo and modal in warmth, breathability, moisture wicking and durability.
Happier Baby, Happier Caregivers
2025 Game-changing Design
Diaper changes have never been simpler.Easily adjust the length for a perfect, secure fit every time.
Unbeatable comfort for your Baby with this cloud-soft & ultra-thin closure than frustrating snaps.
Parenting Upgrade
Our bodysuit is designed with discreet, silent closures and a darkroom-friendly design for changes in minimal light. So simple and hassle-free, it’s the go-to choice for sleep-deprived parents and grandparents helping out.
ClimaCuddle™ is KaiyaBaby's 2025 smart fabric innovation—a perfect blend of cloud-soft bamboo and temperature-regulating Merino wool. Designed for natural comfort and adaptability, it helps maintain baby's ideal temperature through shifting seasons and prevent overheating in summer. In addition, it's more resistant to pilling and fading compared to pure bamboo bodysuit, ensuring long-lasting softness.
Yes!Our smart ClimaCuddle™ fabric is breathable and temperature-regulating, preventing overheating while keeping baby comfortablely dry. Every thread is crafted with love and expertise to be naturally hypoallergenic, making it wonderfully gentle for most sensitive skin. (We do suggest testing a small area first if your little one has shown wool sensitivities before.)
Our size chart makes it easy—just match your baby's current height and weight. We recommend a cozy-snug fit (like a tender hug!) that allows for happy wiggles. If you're unsure, sizing up often works wonders.
Absolutely, busy parent! Just:
Of course. You've got 45 days to return or exchange as long as the item is in good condition. Just reach out to our customer support —we're here to help with smiles.
Our fabrics are Oeko-Tex® and SGS certified meaning absolutely no harmful chemicals—just pure peace of mind for you and safe snuggles for baby.
For extra cozy moments, layer with our sleep sacks, or blankets. Like wrapping your babe in a gentle hug!
Yes, Embroider a name, date, or sweet motif to create a cherished keepsake. Because these fleeting moments deserve to be remembered. Learn more
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