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Yarn & Fabric Techniques

Custom Yarn & Fabric Techniques for Streetwear Manufacturing

FORGEMFG develops custom heather slub fabrics and jacquard fabrics for streetwear brands, clothing labels and OEM/ODM buyers. Heather slub combines an irregular yarn texture with a mixed-tone appearance, while jacquard builds a pattern into the woven or knitted fabric structure. Both effects are planned before cutting and sewing, then checked during sampling for the intended garment and decoration.

This page explains which technique fits your garment, what affects development, and what information we need for a feasibility check. Our standard garment MOQ starts at 50 pieces per style and colorway. Custom-spun yarn, custom dyeing or original jacquard development may have a separate mill minimum, which we confirm before sampling. For fabric weight and garment use, see our fabrics & GSM guide before choosing a base fabric.

◆ Heather Slub Yarn ◆ Jacquard Weaving ✓ OEKO-TEX Std 100 ✓ BSCI Audited
Heather slub yarn fabric roll close-up showing its marled, textured surface

What are yarn-level and fabric-level techniques?

Where these techniques happen

Yarn-level and fabric-level techniques create texture, color variation or pattern before garment panels are cut. Slub texture is formed while the yarn is spun, while jacquard patterns are formed as fabric is woven or knitted. Garment washing, printing and embroidery happen later and modify or decorate the completed fabric or sewn garment.

These decisions must be made during fabric sourcing and development. A slub structure cannot be added after fabric has been knitted, and a jacquard motif cannot become a woven-in or knitted-in pattern after cutting. Printing, embroidery and selected garment washes can still be combined with either fabric, but compatibility must be confirmed on a physical sample.

Heather slub yarn and jacquard fabric options

Process grid
Heather slub yarn t-shirt fabric texture close-up
Yarn-level technique

What is heather slub fabric?

Heather and slub describe two separate effects that can be used alone or together. Slub yarn has intentional thick-and-thin sections that create an irregular surface. Heather color blends different fiber or yarn tones to create a marled appearance. Combined in jersey, they produce a textured, mixed-tone fabric suited to T-shirts, lightweight hoodies and casual knitwear.

Read how heather slub yarn is made →

Custom jacquard fabric close-up showing a tonal pattern built into the knitted structure
Weave-level technique

What is jacquard fabric?

Jacquard fabric has a pattern formed directly through its woven or knitted construction rather than printed on the surface. Depending on the yarn, machine and construction, the motif may appear flat, raised, tonal, multicolored or textured. Woven and knitted jacquard require different development methods, so we confirm the correct construction from the garment and reference.

Read how jacquard patterns are woven →

Heather slub vs. jacquard: quick comparison

Comparison of custom heather slub yarn and jacquard fabric manufacturing techniques
Technique Where it's built in Visual effect Typically used on
Heather Slub Yarn Yarn spinning stage Irregular slub texture with an optional mixed-tone heather effect T-shirts, lightweight hoodies and jersey knitwear
Jacquard Weaving or knitting stage Flat, raised, tonal or multicolored pattern built into the fabric Sweaters, knitwear, heavier tees, jackets and panels

Which fabric technique is right for your garment?

Choose heather slub when the garment needs an irregular surface or mixed-tone appearance across the base fabric without a repeating structural motif. Choose jacquard when the artwork itself must be woven or knitted into the cloth. Most heather slub orders run through our t-shirt manufacturing program, because the effect is commonly requested on jersey tees, but it can also be evaluated for hoodies and other knit garments.

Both fabrics can support later decoration, but the surface affects the result. Thick slub sections may reduce the sharpness of very fine print details, and raised jacquard areas may create uneven print contact. Embroidery placement, backing and stitch density also depend on fabric stability. FORGEMFG checks the selected combination during sampling before bulk production.

How does custom fabric development work?

From reference to approval

Custom fabric development starts with the garment type, reference, target composition, fabric weight, colorways, quantity and required decoration. FORGEMFG then checks whether an available fabric can meet the brief or whether custom yarn, dyeing, knitting or weaving is required. The development route, fabric minimum, sample cost and lead time are confirmed before work begins.

A physical sample is used to approve appearance, hand-feel, weight, pattern scale and decoration compatibility. When testing is required, the relevant checks may include fabric weight, dimensional stability, shrinkage, colorfastness or pilling. The exact test plan and acceptance limits must be written into the approved specification before bulk production.

FORGEMFG technician inspecting custom fabric swatches for weight, texture and color

What affects MOQ, lead time and cost?

Commercial planning

The standard garment MOQ starts at 50 pieces per style and colorway, but custom fabric work can carry a separate mill minimum. Composition, GSM, yarn availability, custom dyeing, number of colors, jacquard repeat size, pattern complexity, testing and order quantity all affect cost and timing. A stock or existing mill fabric normally needs less development than a custom-spun yarn or original jacquard construction.

Send the garment type, target quantity, colorway count, composition, GSM, artwork or reference photo, decoration method, delivery date and destination country for an accurate feasibility review. FORGEMFG will identify the suitable route and confirm any fabric minimum before you approve sampling.

Frequently asked questions about custom streetwear fabrics

What's the difference between a yarn technique and a wash or print technique?
Yarn and fabric techniques are built into the cloth before cutting — the yarn is spun or the fabric is woven with the effect already in it. Wash treatments like acid wash or snow wash are applied to a finished, sewn garment, and print or embellishment techniques sit on the fabric surface after construction. They're separate stages and can be combined on the same garment.
What is heather slub yarn?
Heather and slub are separate characteristics. Slub yarn contains intentional thick-and-thin sections that create texture. Heather describes a mixed-tone color effect made by combining different fiber or yarn tones. A fabric can use either effect alone or combine both as heather slub fabric.
What is jacquard fabric?
Jacquard fabric has a motif formed through woven or knitted fabric construction instead of surface printing. Depending on the yarn and construction, the pattern can be flat, raised, tonal, multicolored or textured.
Can heather slub or jacquard fabric be combined with printing or embroidery?
Yes, but the fabric surface must be tested with the selected decoration. Thick slub areas can affect fine print detail, while raised jacquard areas can make surface contact uneven. FORGEMFG confirms print or embroidery compatibility on a physical sample.
What's the MOQ for custom yarn or fabric techniques?
FORGEMFG's standard garment MOQ starts at 50 pieces per style and colorway. Custom-spun yarn, custom dyeing or original jacquard development may require a separate mill minimum. We confirm both minimums during the feasibility review before sampling.
What information is needed for a fabric feasibility check?
Send the garment type, target quantity, colorways, preferred composition and GSM, reference image or artwork, decoration method, required delivery date and destination country. A physical swatch is helpful when surface texture or color matching is important.
What affects the cost of custom jacquard fabric?
The main cost factors are yarn composition, fabric weight, number of colors, pattern complexity, repeat size, custom dyeing, sampling, testing and total order quantity. FORGEMFG confirms these factors in the fabric-development quotation.
Do you offer yarn or fabric techniques beyond heather slub and jacquard?
Heather slub yarn and jacquard are our two standing yarn and fabric techniques. For other fabric weight or composition questions, our fabrics & GSM guide is the place to start — our team can also confirm feasibility for a technique not listed here.

Ready when you are

Have a fabric reference photo? Start with a quote.

Send your garment type, quantity, target GSM, composition, colorways, decoration method and reference image. We will assess whether heather slub, jacquard or another available fabric route is the closest fit.

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