Designer
Tech packs, patterns, mockups
$5,500
Products
SOURCE ANYTHING BY THE/STUDIO
Long sleeve flannel shirts are wardrobe staples crafted from brushed, soft napped cloth that delivers warmth and a timeless casual aesthetic across men's and women's collections. As a long sleeve flannel shirts manufacturer platform with a production team built in, THE/STUDIO connects your brand to vetted custom factories worldwide and handles everything from your initial brief and tech pack through samples and private label production tracking.

HomeSource Custom ProductsShirts & BlousesLong Sleeve Flannel Shirts Manufacturer
WHAT WE BUILD
From classic plaids to tailored silhouettes, our custom long sleeve flannel shirts manufacturer network produces every style your brand needs - backed by a built-in production team.

Crew neck
A collarless rounded neckline that gives long sleeve flannel shirts a modern, laid-back feel perfect for casual private label collections.

Collared
The traditional button-front collared flannel featuring a fold-down collar for timeless white label layering pieces.

Short sleeve
A warm-weather take on the classic flannel shirt with cropped sleeves, ideal for custom seasonal drops and transitional lineups.

Puff sleeve
Statement gathered sleeves add volume and feminine detail, letting your manufacturing partner deliver trend-forward flannel designs.

Slim fit
A narrower, body-skimming cut through the torso and arms for a polished custom flannel silhouette suited to men's and women's lines.

Your spec
Bring your own pattern or tech pack and we build to it.
A plain Cotton long sleeve flannel shirt with no branding is straightforward production. A fully developed custom construction featuring embroidery - stitched logos, chest detail, tonal thread work across yoke and cuffs - is where our production team and vetted factories show their range. Most brands brief the elaborate end, and that is the norm across our long sleeve flannel shirts output.


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

A rough concept is enough to start a long sleeve flannel shirts brief.

Send a spec or a reference long sleeve flannel shirts and we build to it.

Bring a spec from ChatGPT, Gemini, or Copilot. We productionize it.
MATERIALS
Choose from premium materials for your custom long sleeve flannel shirts, matched to the right factory by your dedicated production team.

Flannel
Brushed soft napped cloth

Cotton
Breathable staple knit and woven

Denim
Cotton twill, various washes

Viscose/Rayon
Fluid cellulosic drape

Anything you want
Source a fabric we don't list, we'll find the mill.
Long Sleeve Flannel Shirts customization options
Personalize every detail of your custom long sleeve flannel shirts with decoration methods ranging from embroidery and screen print to custom buttons and branded packaging, all coordinated by your dedicated production team at THE/STUDIO.

Screen print
Durable spot-colour graphics

Embroidery
Stitched thread logos and detail

Woven label
Branded neck and care labels

Screen-printed care info
Printed inside-neck care text

Custom buttons
Branded or custom-finish buttons

Custom packaging
Branded boxes, polybags, mailers
THE/STUDIO connects your brand with 1,500+ vetted factories worldwide, giving you a production team built in to develop custom long sleeve flannel shirts from brief to delivery. Our sourcing network spans key manufacturing regions known for premium fabric finishing, brushed flannel expertise, and reliable lead times - so every drop meets your spec.
China
Advanced flannel weaving and brushed-nap finishing with high-volume custom shirt manufacturing capability

India
Cotton-rich flannel production with vertically integrated mills handling fabric, cut, and sew under one roof

Portugal
European-grade private label flannel shirts with premium finishing, small-batch flexibility, and quick turnaround

Bangladesh
Scalable white label shirt manufacturing with strong woven-garment infrastructure and consistent quality control

Turkey
Specialty cotton and flannel factory clusters offering custom buttons, embroidery, and refined garment detailing

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 LONG SLEEVE FLANNEL SHIRTS QUOTE
TIMELINE
From your initial brief through sampling, validation, production, and delivery, our built-in development team and vetted factory partners guide every stage of your custom long sleeve flannel shirts manufacturing process so you can track progress, approve specs, and hit your private label drop dates with confidence.
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 long sleeve flannel shirts 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 long sleeve flannel shirts 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 long sleeve flannel shirts 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 long sleeve flannel shirts 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
Men
Custom long sleeve flannel shirts built to your specs - from heavyweight brushed cotton to slim fit silhouettes, your factory partner handles the tech pack through production.
2
Women
From your first sample to your first 1,000 units and scaling into a full private label line, THE/STUDIO is the development team you can't yet afford to hire in-house.
3
Ladies
White label or fully custom long sleeve flannels with branded buttons, woven labels, and custom packaging - manufacturer-ready for your next drop.
THE/STUDIO gives you a production team built in and access to 1,500+ vetted factories so you can develop custom long sleeve flannel shirts without juggling multiple contacts. Submit a brief, get matched with the right manufacturer for your project, and request low-MOQ samples before committing to a full run - all from one platform.
Every detail stays under your control. Lock in your spec across fit, fabric, and decoration, add private label branding with woven labels or custom buttons, and track production through quality checks to on-time drops. Whether you're building a white label basics line or a custom collection, THE/STUDIO keeps your long sleeve flannel shirts on spec and on schedule.
1,500+
vetted factories
50+
countries
Built in
production team