This is written for the buyer who runs a screen shop, a DTG/DTF studio, or a decoration line.

You don’t buy a tee for how it looks folded.

You buy it for how it behaves under a squeegee, a platen, or a heat press and whether the next case delivers the identical result.

We manufacture cut-and-sew blanks in Sialkot, Pakistan.

We cut them, we wash them, we print test runs on them, and we ship them by the case.

So this guide is written from the platen out, not the fashion rack in.

Everything below is what we check before a blank is allowed to be called “print-ready” and what you should demand from any supplier before you commit a reorder to it.

01 · Print Base

What Makes a Great Print Base?

A print base has one job: give your artwork a flat, stable, predictable surface.

Everything else is secondary. Three specs decide whether a blank does that job: the face, the knit, and the weight.

The face: smooth beats soft

Decorators feel a tee and reach for “soft.” That’s the wrong first test. Softness is a hand-feel spec.

What you print on is the face, the outward surface of the knit.

A good print face is smooth and closed.

Under a loupe you want a tight, even grid of loops with as little surface fuzz as possible.

Fuzzing the stray fabric ends standing off the surface is what wrecks fine detail.

It lifts halftone dots, blurs thin lines, and fights registration. Soft-but-fuzzy is a worse base than firm-but-smooth.

Floor Note:

Our quick test is the loupe-and-light check: hold the fabric at a low angle to a raking light and look for a fabric “halo.” Low halo = clean print face.

The knit: tight and even

Tight, even knit, keeps ink on top of the fabric instead of sinking through and holds registration because the surface doesn’t distort under platen pressure.

Ask the supplier for stitch density (courses and wales) and ask whether it’s held consistent across the run.

A blank knit loose in one lot and tight in the next will print two different hand-feels from the same artwork.

The weight: even GSM, not just high GSM

GSM (grams per square meter) is the weight of the fabric.

Decorators over-index on the number and under-index on the evenness of it.

Working GSM ranges for print tee
Weight Range Behavior under decoration
Lightweight ~140-160 Fashion feels cheaper and thinner. Ink can show through; it’s less forgiving for dense screen deposits.
Midweight ~180-200 The workhorse base. Enough body to hold ink and structure without heaviness.
Heavyweight ~210-240+ Structured, boxy drape, strong perceived value. Popular for streetwear blanks.

The trap is variance. A blank spec’d at “200 gsm” that ships at 185 in one lot and 210 in the next changes ink lay-down, cure time, and hand-feel between reorders even though the label reads the same.

Ask for the GSM tolerance, not just the target. On our line we hold GSM tolerance, e.g., ±5%, and log per-lot GSM on the QC sheet.

For how weight interacts with drape, cost, and season, see Fabric weight/GSM

Bottom line:

A great print base = smooth closed face + tight even knit + consistent GSM. In that order.

02 · Fabric & Surface

Fabric & Surface for Clean Prints:

Chapter 1 was what to look for. This is why certain fabrics deliver it and others don’t.

Ring-spun and combed: what the words buy you

  • Ring-spun yarn is twisted and thinned into a tighter, stronger strand and has a smoother, more uniform surface than open-end (carded/rotor-spun) yarn, which is faster and cheaper but leaves a coarser, fuzzier face.
  • Combed cotton has short fabrics mechanically removed before spinning. Short fabrics are exactly the ones that surface as fuzz. Comb them out and you get a cleaner face and less pilling.

For a print base, combed ring-spun cotton is the default. It gives the low-pile, smooth surface that fine screen detail, halftones, and DTG all need.

Open-end/carded is cheaper and fine for heavy solid prints, but it costs you sharpness on detail work.

Low pile: the spec nobody writes down

The pile is surface fuzz. Low pile is what you want, and almost no spec sheet states it. So you test for it.

  • The tape test: press and peel low-tack tape off the print area. A blank shedding a forest of short fabrics is high-pile and will fight your detail.
  • The wash test: wash a sample once. Some blanks bloom fuzz after the first wash. Always evaluate the print face after a wash, not just off the roll.

Cotton, poly & blends: from the print’s point of view

Fabric content vs. printability
Base Print behavior
100% combed ring-spun cotton Best all-round base. Absorbs water-based/discharge inks, takes DTG pretreat, and holds screen detail.
Cotton/poly blends (50/50, 60/40) Softer drape, less shrinkage, but poly can cause dye migration on hot cures over darks. Manageable with low-bleed inks.
Tri-blends (cotton/poly/rayon) Vintage-soft, heathered, but texture and stretch make registration harder and DTG less predictable.
100% polyester Needed for performance; demands migration control; not a friendly base for standard DTG.

 

The rule: the more polyester and texture, the softer the tee and the harder the print. Pick the base for the job, then lock it so every reorder prints the same.

03 · Color Control

Lot-to-Lot Color Consistency:

Ask a room of decorators for their single biggest blank complaint and you’ll hear the same thing: “The reorder didn’t match.”

Same style, same color name, same supplier, and the new case is visibly off.

This is how it happens and how to spec it out.

Why is “black” never just black?

Every dyed blank is a formula.

Two lots dyed weeks apart drift because of dye batch, water chemistry, temperature, time, and machine load.

The color name tells you nothing about how tightly that color is controlled between runs.

The industry doesn’t judge color by eye.

It measures it with a spectrophotometer and expresses the difference as Delta E (ΔE), one number for how far apart two colors are.

Values below roughly 1.0 are imperceptible to the average eye; a ΔE of 2-3 is usually visible; and the 2-3.5 band is often treated as the limit of commercial acceptability.

ΔE – WHAT THE NUMBER MEANS FOR A BLANK PROGRAM
< 1

Imperceptible. Overkill for most tees; the target for critical brand colour.

1 – 2

Tight, professional match. What a serious program should hold.

2 – 3

Commercially acceptable to many – but visible side by side.

> 3

You’ll notice. This is where reorder complaints come from.

There’s no single legal limit; acceptability depends on the color-difference formula, the fabric structure, the shade, the measurement conditions, and the customer’s tolerance.

Whites, pastels, and greys are less forgiving than mid-tones.

When you set a tolerance, agree on the formula too.

CIEDE2000 or CMC are the recommended modern choices over the older CIE76.

The two questions that protect your reorder:

  • “What ΔE tolerance do you hold lot-to-lot, and on which formula?” A supplier who can answer measures colour. One who can’t doesn’t.
  • “Do you keep a retained standard for my color?” A retained/anchor sample on file means every future lot is matched back to your original, not rematched from scratch.

Lab dips, metamerism & the light you approve under:

Before bulk, a good factory sends a lab dip a small swatch dyed to your target.

Approve it under controlled light (a light box with D65 daylight plus store and warehouse lighting), not whatever bulb is over your desk.

Watch for metamerism: colors that match under one light and mismatch under another.

Approve under the wrong light, and you approve a match that falls apart in the customer’s environment.

Color that survives the wash:

Lot matching is half the story. The other half is whether color stays after washing because a print on a garment that fades looks like your failure.

The standard is AATCC 61, an accelerated laundering test that simulates roughly five home wash cycles and grades color change and staining against standard grey scales; a common pass bar is grade 4 for change and 3-4 for staining.

The international equivalent is ISO 105-C06. Ask your supplier for colorfastness results on the exact blank you’re buying. 

Bottom line:

Name a ΔE tolerance and formula, insist on a retained standard, approve lab dips under controlled light, and get colourfastness numbers. Do that and reorder mismatch stops being your problem.

04 · Fit Control

Sizing Consistency Across Reorders:

A tee that fits differently between runs is as expensive as one that prints differently.

Your customer ordered a large last season; the new large is half an inch narrower; now you own a complaint.

Sizing consistency is a manufacturing-control question, and you can spec it.

Measure garments, not size names:

“Large” is a marketing word. Points of measure (POM) are the real spec the specific dimensions (body width, body length, sleeve, shoulder, and neck opening) that define the garment.

A proper blank comes with a graded spec sheet: every POM, every size, with a tolerance.

A common working tolerance on tee body measurements is around ±1/2 inch (±1.3 cm) on major POMs.

Tighter is better but costs more. What matters is that a tolerance exists and is held; a blank with no stated tolerance is a blank with no sizing promise.

Shrinkage is a sizing spec in disguise:

A tee cut to perfect measurements that shrinks two sizes after the first wash was never consistent.

Look for pre-shrunk or compacted fabric, and ask for the residual shrinkage figure (single digits is the target for a controlled tee).

Cotton moves; the question is by how much and whether it’s controlled to the same amount every run.

Construction choices that decide consistency:

  • Side-seamed vs. tubular. Tubular tees knit as a tube with no side seams are cheaper but can torque (spiral) after washing and vary more in fit. Side-seamed tees are cut and sewn with seams down each side, better fit, less twisting, and more repeatable dimensions. For a stable print base, side-seamed is stronger.
  • Shoulder-to-shoulder tape and set-in sleeves add structure and hold shape across washes.
  • Collar construction: a tight 1×1 ribbed collar with good recovery keeps the neckline consistent; a loose collar is the first thing to go out of spec.

How to actually verify it?

Don’t trust the spec sheet alone.

On receipt, measure a sample from each new lot against your retained standard and the POM table.

A five-minute check per reorder catches drift before it reaches your press.

Keep one approved unit from your first order as your physical golden sample.

05 · Supply Model

Stock vs. Made-to-Order Blanks:

There are two ways to source blanks, and the right one depends on whether your edge is speed or specification.

Stock program blanks:

  • Reorder speed. Order today, ship today or tomorrow critical for rush jobs.
  • No MOQ pressure. Buy by the case or piece as you need it.
  • Predictable, catalogued spec. The style number is the spec.

Trade-offs: you take the spec as-is (fixed GSM, colors, construction; usually no relabel), and you’re exposed to their supply of a discontinued color or stockout breaks your program mid-season.

Stock wins when turnaround speed is your edge and the catalogue spec is good enough.

Made-to-order (MTO) blanks:

  • You own the spec. Exact GSM, color, construction, and relabel locked to one source.
  • Consistency is contractual. Same factory, same retained standard, same POM table every run.
  • Margin and differentiation. A blank competitor can’t pull off a catalogue.

Trade-offs: MOQ and lead time, and you hold the inventory position. MTO wins when specification and consistency are your edge.

The hybrid’s most serious shops land on:

Run stock for rush and overflow, and MTO for your core program.

Your signature blank, the one customers reorder, is made-to-order and locked to one factory with a retained standard and a relabel.

Everything else runs off stock. Speed where you need it, control where it matters.

06 · Decoration Fit

The same blank does not perform identically under every method.

Here’s how the three dominant methods interact with the blank so you can spec a base that suits how you decorate.

Screen printing:

Screen printing pushes ink through a mesh stencil.

It rewards a smooth, tight, closed face more than any other method; fine detail, halftones, and thin lines live or die on surface fuzz and registration stability.

  • Combed ring-spun face for detail; low pile.
  • Even GSM ink lay-down and cure behave the same across the run.
  • Cotton for water-based/discharge inks; plan low-bleed inks if there’s polyester.
  • Dimensional stability so the shirt doesn’t distort on the platen and blow registration.

For method-specific setup, mesh, and ink guidance, see the Screen printing on blanks guide.

DTG (direct-to-garment):

DTG inkjets water-based ink directly into the fabric. It is the most fabric-sensitive method.

  • Fabric content matters most. DTG loves 100% cotton, ideally combed ring-spun. Blends and polyester are harder and less predictable.
  • Pretreatment is non-negotiable on darks. A smooth, absorbent cotton face makes pretreat lay down evenly; a fuzzy face makes it blotchy.
  • Low pile = sharp print. Surface fuzz shows up instantly in DTG detail.

DTF (direct-to-film):

DTF prints onto film, applies adhesive powder, and heat-presses the transfer.

It’s the most surface-agnostic of the three; it works across cotton, poly, and blends, which is why it’s exploded for shops running mixed catalogues.

  • Fabric flexibility. Handles blends and poly that fight DTG.
  • Surface still matters for adhesion. A grossly fuzzy or uneven face hurts bond and durability.
  • Press consistency. Even GSM and a flat, stable face give repeatable adhesion.

For film, powder, and press settings across fabric types, see the DTF & DTG decoration guide.

One base, three methods:

Combed ring-spun cotton with a smooth low-pile face and even GSM serves all three:

Mandatory for DTG, ideal for screen detail, and happy under DTF.

Add polyester for performance styles, and you buy softness at the cost of DTG friendliness and dye-migration risk.

Spec the base for your dominant method, then confirm it under your secondary ones with a test run.

07 · Commercial

Case Packs & Bulk Pricing:

Shops don’t buy tees the way consumers do.

How blanks are packed and priced tells you whether a supplier is set up for decorators or for retail.

How are blanks packed?

  • Poly-bagged individually or in bundles to stay clean through decoration.
  • Size-run prepacks a case arrives as a ratio across sizes (e.g., S-M-L-XL-2XL at a 1-2-2-2-1 ratio so you’re not drowning in Smalls.
  • Solid-size cases for when you know your run.
  • Inner and master cartons with stated counts so you can plan storage and freight.

How does bulk pricing really work?

Blank pricing is tiered by quantity; the per-piece price steps down as volume climbs, and the tiers are where your margin lives. What moves the price:

  • Quantity tiers the headline lever. Tier table 50-199 / 200-499 / 500-999 / 1,000+.
  • Fabric spec GSM, combed ring-spun vs. open-end, cotton vs. blend.
  • Color darks and specialty shades often cost more than white/natural.
  • Size extended sizes (2XL+) usually carry an upcharge.
  • Customization relabel, custom color, or custom GSM shifts you off stock pricing.
The number that actually matters:

Judge the price on the landed cost per decorated unit blank + freight + decoration + your expected defect/reprint rate.

A blank that costs a little more but prints first-time-right, matches on reorder, and doesn’t fuzz after wash is cheaper per decorated unit than a bargain blank that burns a percentage of every run.

08 · Branding

Relabel & Private-Label Options:

The fastest way to turn a decorated tee into a brand is to get the supplier’s label out of the neck and yours in.

Relabel is often the single highest-margin upgrade a shop can add.

The options, from cheapest to most premium:

  • Tear-away tag. Ships with a printed tag designed to be torn off, leaving a clean neck for your own print or transfer. Lowest cost but often a small residue/perforation line.
  • Heat-transfer neck label. Your branded label is heat-pressed inside the neck. Clean, tagless feel, low MOQ you control the artwork. The sweet spot for most shops.
  • Printed inside-neck label. Screen or DTF printed brand info inside the collar. Fully tagless, durable, and on-brand.
  • Woven / sewn-in label. Most premium feel and perceived value but must be built in at production (an MTO move, not a stock afterthought).

Stock relabel vs. true private label:

Relabel on stock blanks, decorate, and swap neck branding on catalogue blanks.

Fast, low-MOQ, and good margin lift, but the underlying blank is still a public style.

True private-label (MTO) your spec, colors, construction, and sewn-in label from the first stitch.

A blank that is yours: no competitor can source the identical shirt.

Why does relabeling drive repeat orders?

A shop that hands a customer a tee with its own neck label looks like a manufacturer, not a middleman.

That perception raises perceived value, supports higher pricing, and makes the next order sticky; the branded blank now only comes from you.

Relabel isn’t cosmetic; it’s a retention tool.

Frequently Asked

For most decoration, a midweight around 180-200 gsm is the workhorse enough body to hold ink and structure without heaviness.

Go heavier (210-240+) for a premium/streetwear feel, or lighter (140-160) for a budget or fashion fit.

What matters more than the number is that the GSM is held consistent across reorders.

Combed ring-spun for anything with detail, halftones, or DTG it gives the smooth, low-pile face those methods need.

Open-end/carded is cheaper and fine for heavy solid screen prints on a budget.

Make the supplier commit to a ΔE tolerance and color-difference formula, keep a retained standard for your color, approve lab dips under controlled multi-source light, and require colorfastness (AATCC 61 / ISO 105-C06) results.

DTF is far more forgiving on blends and polyester because it bonds a transfer to the surface rather than needing the fabric to absorb ink. DTG strongly prefers 100% cotton.

When your money repeats on a core program and you need specs, consistency, and a relabel you own. Stock wins for rush jobs and overflow; MTO wins for your signature blank. Many shops run both.

From the T-shirt manual

This is one chapter of The Complete T-Shirt Manufacturing Guides:

These chapters cover taking a T-shirt brand from idea to shipped units, costing, sourcing, tech packs, QC, freight, and launch comparisons. All written from the Sialkot factory floor of Gibben Clothing.

Open The Full T-Shirt Guides

On the floor · Sialkot

Written by

Faizan Ahmad

Chief Apparel Technologist & Head of Manufacturing, Gibben Clothing · Sialkot, Pakistan

Faizan leads production at Gibben Clothing, a cut-and-sew streetwear manufacturer in Sialkot, with 8+ years turning raw yarn into retail-ready hoodies, tees, bottoms, jackets, tracksuits, and headwear. He doesn’t just write about clothing; he works the floor, so every guide here is grounded in real fabric behavior, QC standards, and production data from live runs.