What a Shirt Manufacturer Does and Why Shirts Are Different
If you run a brand that has done well with t shirts and hoodies and now wants woven shirts, or you own a boutique and are looking for a shirt manufacturer to make your own label, the first thing to know is that shirts are a different discipline from knitwear and jersey. A shirt manufacturer cuts woven cloth into many small, precisely shaped pieces, builds a collar, collar stand, cuffs and placket, and joins everything with stitching that cannot hide behind stretch. Small construction errors show at the neck and the front of the garment immediately.
The rest of this page explains how to pick fabrics and collars, what to specify, and how the sampling path works, so that your first conversation with any shirt manufacturer is specific rather than vague.
Woven Shirts vs Knit Tops: What Changes in Production
A knit tee stretches to fit, so a few millimetres of error in the pattern are forgiven. A woven shirt does not stretch, so the pattern has to be right and the construction has to be clean. That changes the questions you should ask any shirt manufacturer you are considering.
Woven shirt vs knit tee in production
| Area | Knit tee or hoodie | Woven shirt |
|---|---|---|
| Fabric behaviour | Stretches and recovers; fits a range of bodies | Little or no stretch; fit comes from the pattern and ease |
| Pattern | Few pieces; simple shapes | Many pieces with precise curves for collar, armhole and yoke |
| Seams and finishing | Overlock and coverstitch | Lockstitch topstitching, French or felled seams, clean hems |
| Collar and cuffs | Rib or self-fabric neck band | Collar, stand and cuffs with interlining and tight stitching tolerances |
| Fabric risks | Shrinkage, twisting, GSM variation | Shrinkage, skew, shade variation and fraying |
| Trims | Neck label, hang tag, sometimes drawcord | Buttons, thread, interlining, collar stays, labels |
| Sampling | Often one or two rounds | Frequently more rounds because fit and collar both need approval |
General characteristics of woven and knit production. Individual factories and fabrics vary. Our guide to woven vs knit fabric covers the cloth itself in more detail.
Duty and classification also differ by construction, so check the correct commodity code for woven shirts on the UK Trade Tariff rather than assuming a rate from a t shirt order.
Fabric Choices for Casual Shirts
Fabric decides how a shirt looks, how it feels and how difficult it is to make. For casual shirts the choices come down to a handful of constructions, each with a different feel and a different thing to watch for when you approve a sample.
Casual shirt fabrics: feel, use and watch-out
| Fabric | Feel | Typical use | Watch out for |
|---|---|---|---|
| Poplin | Smooth, light and crisp | Clean everyday shirts, summer styles | Creasing and a thin look in very light weights |
| Oxford | Textured basket weave, a little heavier | Button-down and relaxed shirts | Shade variation and a heavier hand in cheaper cloth |
| Twill | Diagonal weave, softer drape | Overshirts, work-style shirts | Skew after washing if the cloth is poorly finished |
| Chambray | Light, denim-look plain weave | Casual and workwear shirts | Colour fading and shade matching between lots |
| Linen and linen blends | Dry, cool, naturally textured | Summer and resort shirts | Heavy creasing and slubs that some buyers see as faults |
| Flannel | Brushed, warm and soft | Autumn and winter shirts | Pilling and shrinkage after washing |
A general guide to common shirting constructions. Always request a handloom or swatch and a pre-production sample before approving.
Our fabric guides go deeper on the most common choices: see poplin for shirts and dresses and linen vs cotton. For the chambray and denim end of casual shirting, read our guide to denim shirt manufacturing.
Fabric Weight and Handfeel: Typical Ranges
Weight is the quickest way to compare cloths when two quotes use different names. Shirt fabrics are lighter than the fleece and jersey used for hoodies and tees, and the ranges overlap, so ask for the exact weight in grams per square metre (GSM) rather than relying on the cloth name.
Typical shirting weights by fabric
Typical, varies
Typical, varies by mill, yarn count and finish. Use as a conversation starter, not as a specification.
A heavier cloth is not automatically better. Choose weight for the season and the drape you want, then confirm it on a sample. If you want to compare how fabrics score on crispness and ease of sewing, the matrix below gives an indicative view.
Casual shirt fabrics compared
1 dot = low, 5 dots = high
| Poplin | Oxford | Twill | Linen blend | |
|---|---|---|---|---|
| Crispness | ●●●●● | ●●●●● | ●●●●● | ●●●●● |
| Breathability | ●●●●● | ●●●●● | ●●●●● | ●●●●● |
| Crease resistance | ●●●●● | ●●●●● | ●●●●● | ●●●●● |
| Ease of sewing | ●●●●● | ●●●●● | ●●●●● | ●●●●● |
| Shrinkage risk | ●●●●● | ●●●●● | ●●●●● | ●●●●● |
Indicative ratings based on typical shirting characteristics, not laboratory results. In the shrinkage row more dots mean higher risk.
Collar Styles and Construction
The collar is the part of a shirt that customers notice first and that factories find hardest. A collar is built from a top collar, an under collar, a stand and interlining, and the stitching has to be even all the way round. The style you choose changes the amount of structure and the number of sampling comments you will receive.
Common collar styles in casual shirts
| Collar style | Look | Construction note |
|---|---|---|
| Point collar | Classic spread with pointed tips | Needs crisp interlining and symmetrical points; common starting point |
| Button-down collar | Tips fastened with small buttons | Button placement and roll must be exact; popular with oxford cloth |
| Camp or revere collar | Open, flat and relaxed; no stand | Easier to make but the lay and fall depend on the pattern |
| Grandad or band collar | Stand only, no fold-over | Fewer pieces, but the stand curve and button need precision |
| Cutaway or spread collar | Wide angle between the points | Needs a firmer interlining so the collar does not collapse |
A general overview. Final construction depends on fabric, interlining and the pattern.
Interlining decides whether a collar stays crisp after washing or goes soft and wavy. Our guide to interfacing for clothing explains the main types, and it is worth specifying the interlining and the care method together.
Which Parts of a Shirt Cause the Most Sampling Rounds?
Brands often assume the fabric is the main risk, but in practice several areas compete for sampling time. The illustration below shows one way of splitting the five specification areas that most often need another round, so that you can see where to put your tech pack effort. It is not measured data.
Where shirt sampling rounds tend to go (illustrative)
Illustrative
- Collar and placket28%
- Fit and pattern27%
- Fabric and shrinkage20%
- Buttons and interlining15%
- Finishing10%
Illustrative split to show relative attention, not survey data. Assumes a first casual woven shirt developed from a tech pack with no previous factory history. Your own product will differ.
The message is simple: collar, placket and fit together take most of the attention, so put the most detail there. Fabric and shrinkage come next, and are easiest to control when you test the cloth before cutting. Our guide to fit sessions and fit comments shows how to write comments a factory can act on.
Key Specs to Put in a Shirt Tech Pack
A tech pack for a shirt needs the same foundations as any garment, plus detail on the parts that are specific to woven construction. A factory working from a vague brief will fill gaps with its own defaults, and those defaults rarely match your intent.
Shirt tech pack essentials
- Flat sketches front and back with callouts for collar, stand, cuff, placket, yoke and pocket
- Fabric composition, weave, weight in GSM and finish (for example washed or pre-shrunk)
- Measurement chart with tolerances for chest, length, shoulder, sleeve, collar and cuff
- Collar and cuff construction, interlining type and any collar stays
- Button type, size, count and spacing, plus the thread colour and topstitch width
- Stitches per inch, seam type and hem finish
- Labels, hang tags and their positions, plus packing and folding method
Add pattern direction (grainline) and stripe or check matching notes if the fabric has a pattern.
If you are starting from nothing, a general tech pack guide covers the basic structure, and the checklist above shows what to add for a shirt.
Common Fit and Quality Issues in Shirts
Most shirt problems fall into a short list, and knowing it lets you ask for the right checks before bulk production starts. Ask your shirt manufacturer how each of the following is controlled, and request evidence rather than assurances.
- Collar roll and shape. The collar should sit flat against the neck and keep its shape after washing. Check the interlining and test a washed sample.
- Shrinkage and skew. Woven cloth can shrink or twist after washing, especially in twill. Request shrinkage testing to a recognised method, such as those published by AATCC.
- Placket and button alignment. Buttons that do not line up with buttonholes, or a placket that waves, signal poor pressing or sewing.
- Shade variation. Shirts cut from different dye lots can look different. Ask for a lab dip and approve a colour standard.
- Puckering at seams. Tight stitching or the wrong needle or thread causes wavy seams in light fabrics.
- Stripe and check matching. Patterned fabric must align at the placket, pocket and yoke, which adds fabric and sewing time.
If the fabric or trims will touch skin, ask whether certification such as OEKO-TEX is relevant to your market, and confirm what the certificate actually covers.
The Shirt Sampling Path
Shirt development usually takes more rounds than a basic tee because fit and construction are both approved. Treat the path as a sequence of decisions rather than a single sample request, and make sure each round has a defined purpose.
A typical shirt sampling path
- 1Brief and tech packSend sketches, measurements, fabric choice and trims so the factory can quote and start a pattern.
- 2First sampleCheck collar, placket, proportions and overall fit on a fit model or a mannequin.
- 3Fit commentsReturn measured, written comments with photos. One change per comment, in priority order.
- 4Revised sampleConfirm the changes and review the collar roll, interlining and stitching after a wash.
- 5Pre-production sampleApprove the sample made in the bulk fabric and trims before cutting starts.
Number of rounds varies with product complexity and brief quality.
Allow time for fabric testing in parallel with sampling, and do not approve a collar from a flat sample alone. Wash a spare piece and compare the two.
Ruhrose Scope: Casual Shirts vs Dress Shirts
Casual woven shirts, such as oxford, twill, chambray and poplin styles in relaxed or regular fits, sit within Ruhrose casualwear development. Formal tailoring and dress shirts with specialist finishing, such as fused premium collars, high stitch density or non-iron treatments, are not part of our core range. For those, look for a specialist dress shirt maker.
If you are unsure which side of the line your design sits on, ask a potential shirt manufacturer for a sample of the exact finish you want and compare it to your reference. A factory that says yes to everything is more of a risk than one that explains its limits.
For dresses and outerwear, which have their own construction challenges, see our guides to woven dresses and jackets.
How to Choose a Shirt Manufacturer
A short list is easier to compare when you use the same questions with every candidate. Beyond price, you want proof that the factory has made woven shirts at your level, and a clear process for fit, testing and pressing.
- Ask to see shirts from the factory in a similar fabric and construction, and look at the collar and placket first.
- Check whether pattern making is done in-house and who adjusts the pattern after fit comments.
- Ask how interlining is selected and tested, and what happens to the collar after washing.
- Request the sampling plan: number of rounds included, timings and how changes are charged.
- Find out how shade, shrinkage and measurement are checked before shipment.
Which of those five questions would your current supplier struggle to answer for a shirt?
How Ruhrose Approaches Shirt Development
Ruhrose develops hoodies, fleece, jersey, denim and woven casualwear for UK buyers, with production in Bangladesh and UK buyer support. For casual woven shirts we start from your reference or tech pack, agree fabric and construction, and sample before bulk, with fabric and fit checked on the sample before we move on. We will not quote for tailored or dress shirts outside our scope, and we will say so early. If you have no tech pack yet, our guide to building a tech pack is the place to start. You can read more about Ruhrose's clothing manufacturing services on the homepage.