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Long sleeve flannel shirts manufacturer for custom brands

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.

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HomeSource Custom ProductsShirts & BlousesLong Sleeve Flannel Shirts Manufacturer

WHAT WE BUILD

Custom long sleeve flannel shirts 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.

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Crew neck

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

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Collared

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

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Short sleeve

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

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Puff sleeve

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

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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.

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Your spec

Bring your own pattern or tech pack and we build to it.

From cotton long sleeve flannel shirts to your most elaborate vision

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.

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START YOUR BRIEF

Start with whatever you have

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.

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Your sketch or idea

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

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A tech pack or sample

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

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An AI-generated brief

Bring a spec from ChatGPT, Gemini, or Copilot. We productionize it.

MATERIALS

Materials for custom long sleeve flannel shirts

Choose from premium materials for your custom long sleeve flannel shirts, matched to the right factory by your dedicated production team.

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Flannel

Brushed soft napped cloth

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Cotton

Breathable staple knit and woven

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Denim

Cotton twill, various washes

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Viscose/Rayon

Fluid cellulosic drape

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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.

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Screen print

Durable spot-colour graphics

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Embroidery

Stitched thread logos and detail

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Woven label

Branded neck and care labels

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Screen-printed care info

Printed inside-neck care text

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Custom buttons

Branded or custom-finish buttons

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Custom packaging

Branded boxes, polybags, mailers

A global long sleeve flannel shirts sourcing network

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.

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World
China

China

Advanced flannel weaving and brushed-nap finishing with high-volume custom shirt manufacturing capability

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India

India

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

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Portugal

Portugal

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

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Bangladesh

Bangladesh

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

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Turkey

Turkey

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

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  • 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

Cost without THE/STUDIO

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

Your required team

Turn roles on or off to explore different setups

Background

Designer

Tech packs, patterns, mockups

$5,500

Background (1)

Sourcer

Finds and vets the factory

$4,500

Background (2)

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.

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From $500 / month

Skip hiring. Start building.

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TIMELINE

From brief to drop

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

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Your line's system of record

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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.

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ORDER TIERS

From first sample to full drop

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

Private label, white label, OEM, or ODM

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

Quality control at every step

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

Lower-impact options

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WHO WE SOURCE FOR

Built for every kind of long sleeve flannel shirts program

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.

Why source custom long sleeve flannel shirts with THE/STUDIO

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

Frequently asked questions