Designer
Tech packs, patterns, mockups
$5,500
Products
Source Anything
SOURCE ANYTHING BY THE/STUDIO
A onesie is a one-piece garment that covers the torso and legs - popular across baby, kids, and men's categories in styles ranging from long sleeve to jogger fits, crafted in materials like cotton, bamboo, and flannel. THE/STUDIO is the custom manufacturing platform with a production team built in, connecting your brand to vetted onesie factory NZ and worldwide partners who handle everything from brief to sample to finished drop.

HomeSource Custom ProductsSleepwear & LoungewearOnesie Factory Nz
WHAT WE BUILD
From camo prints to seamless knit construction, our custom onesie factory network brings every style to life with your private label branding built in.

Camo
Military-inspired camouflage patterns in tonal or contrast colorways for a bold, streetwear-ready onesie.

Crew neck
Clean round neckline offering a classic, comfortable fit ideal for custom loungewear and white label onesie drops.

Short sleeve
Warm-weather onesie silhouette with cropped sleeves, perfect for lightweight cotton or bamboo manufacturing runs.

Jogger
Tapered leg with elasticated cuffs at the ankle, blending jogger styling into a full-body onesie design.

Long sleeve
Full-coverage sleeve for cooler seasons, a staple custom onesie style suited to flannel or heavyweight knit fabrics.

Your spec
Bring your own pattern or tech pack and we build to it.
A plain bamboo onesie with no branding is straightforward manufacturing - clean construction, soft hand, done. The stronger brief is the elaborate end: custom zipper pulls with branded tape and molded hardware integrated into a fully developed onesie that feels ownable from the first drop. Most brands we work with land on that elaborate side, and our vetted factory network builds it as standard.


START YOUR BRIEF
You don't need a finished design to begin. Bring a sketch, a reference onesie nz, a tech pack, or an AI-generated spec, and we develop it into a production-ready onesie nz.

A rough concept is enough to start a onesie nz brief.

Send a spec or a reference onesie nz and we build to it.

Bring a spec from ChatGPT, Gemini, or Copilot. We productionize it.
MATERIALS
From breathable cotton to ultra-soft bamboo, choose the perfect custom onesie fabric and our production team will match you with the right factory for your next drop.

Cotton
Breathable staple knit and woven

Flannel
Brushed soft napped cloth

Bamboo
Soft breathable cellulosic

Seamless knit
Body-mapped tubular knit

Anything you want
Source a fabric we don't list, we'll find the mill.
Onesie Nz customization options
Elevate your custom onesie line with factory-direct decoration methods including screen print, DTG, woven labels, and branded packaging - all managed by your built-in production team at THE/STUDIO.

Screen print
Durable spot-colour graphics

DTG (direct to garment)
Full-colour digital print on garment

Woven label
Branded neck and care labels

Screen-printed care info
Printed inside-neck care text

Custom zipper pulls
Branded zip pulls and tape

Custom packaging
Branded boxes, polybags, mailers
THE/STUDIO connects your brand with 1,500+ vetted factories worldwide, giving you a built-in production team to develop custom onesies from brief to delivery. Our sourcing network spans key manufacturing regions known for premium sleepwear and loungewear construction - from soft cotton knits to bamboo and flannel fabrications. Every factory partner is evaluated for quality standards, decoration capability, and consistent lead times so your private label or white label onesie line launches on spec and on schedule.
China
Advanced knit manufacturing with seamless knit and cotton expertise, plus full decoration capability including DTG and screen print

Portugal
European factory hub specializing in premium loungewear finishing, custom zipper pulls, and woven label detailing

India
Deep cotton and bamboo knit sourcing with strong capacity for private label onesie production runs

Bangladesh
High-volume custom onesie manufacturing with expertise in flannel and cotton fabrications at consistent quality

Turkey
Specialist knit factory region delivering premium crew neck and long sleeve onesie construction with refined finishing

Building it yourself
Adjust the timeline, project complexity, and team structure to see the fully loaded monthly cost before producing a single unit.
Project timeline
6 months
Project complexity
Turn roles on or off to explore different setups
Designer
Tech packs, patterns, mockups
$5,500
Sourcer
Finds and vets the factory
$4,500
Production lead
Sampling, timelines, quality control
$6,500
Monthly INTERNAL team cost
$19,800
Typical range: $18,000 to $22,000
Estimated team utilization
68%
Base salaries
$16,500
Taxes and benefits
$3,300
Your total in house cost
$118,800
You are paying for idle capacity
At this setup, your team may spend about 32% of its time waiting on samples, factory replies, and approvals.

From $500 / month
Skip hiring. Start building.
GET YOUR ONESIE NZ QUOTE
TIMELINE
From your first custom onesie brief through sampling, validation, factory production, and final delivery, THE/STUDIO's built-in development team keeps every stage on track so your private label or white label onesie line launches on schedule.
1
Brief
1-3 days
2
Sample
10-15 days
3
Validation
5-7 days
4
Production
20-40 days
5
Delivery
7-20 days
![laptop guy] (1)](https://media.thestudio.com/163344/01KXR8VHBE6RMSM9FKBJPJPD8T.webp)

Brief, samples, tech packs, costing, and production tracking live in one place. Your onesie nz program runs on the platform, so every drop builds on the last instead of starting over.
ORDER TIERS
Start with one sample and scale to full production when you're ready, with low minimums and unlimited revisions built in.
1-5
Sample
Validate fit, fabric, and finish before you commit.
30-100
Small drop
Test a collection or a launch run.
100-500
Core run
Your standing private label program.
500+
Scale
Full production with locked specs and tooling.
Your branding model
Run your onesie nzes as private label, white label, OEM, or ODM. We support all four, and can move you between them as your line grows.
Private label
Your brand on a developed onesie nz platform.
White label
A ready design, your label applied.
OEM
We build to your full spec and pattern.
ODM
We bring a design, you brand and refine it.
Quality control
Seam strength
Tested for stress at high-wear seams.
Colourfastness
Checked against fade from wash, light, and wear.
Wash and shrinkage
Verified to spec after repeated wash cycles.
Measurement tolerance
Graded sizing checked against your spec.
Fabric weight
Confirmed to the agreed GSM.
Many onesie nzes can be built with recycled or certified fabrics when your brief calls for a lower-impact line. Tell us your sustainability targets and we'll match them to mills and materials that can document the claim, from recycled content to certified organic and bluesign-approved options.
SUSTAINABILITY

WHO WE SOURCE FOR
1
Baby
Custom onesies in bamboo and cotton - from first sample to your first 1,000 units, then scaling into a full line, with the production team you can't yet afford built right in.
2
Kids
Private label kids' onesies in playful prints using DTG or screen print, manufactured to your specs with white label options ready for your next drop.
3
Men
Custom factory-made loungewear onesies in flannel or seamless knit - brief your design, approve the sample, and let your dedicated team handle the rest.
THE/STUDIO gives you a production team built in so you can develop custom onesies without hiring in-house. Submit a brief, get matched to a vetted onesie factory from our 1,500+ global network, and request low-MOQ samples before committing to a full run. Whether you're building a private label baby line, launching kids' loungewear, or adding men's onesies to an existing drop, the platform handles tech packs, factory communication, and timeline management from day one.
Every custom onesie is manufactured to your spec - your fit, your fabric, your branding down to the zipper pulls. Your dedicated team reviews samples against your tech pack, runs quality checks at the factory, and tracks production so drops land on time. From cotton and bamboo knits to flannel and seamless constructions, you keep full creative control while we handle the manufacturing details that keep your white label program running smoothly.
1,500+
vetted factories
50+
countries
Built in
production team