One of the most common mistakes in embroidery is treating every fabric the same. A DST file that sews out beautifully on a tightly woven polo shirt can completely fall apart on a stretchy athletic jersey or a thick fleece jacket.

The fabric you're sewing on affects everything: stitch density, underlay type, pull compensation, and even the minimum size of readable text. A good digitizer accounts for the destination fabric before writing a single stitch.

Here's how digitizing needs to change for the most common embroidery fabrics.

Woven fabrics are the most forgiving substrate for embroidery. The tight, stable weave holds stitches well and doesn't stretch or compress significantly under the needle.

Digitizing approach:

• Standard stitch density (0.4–0.45mm spacing for fills)
• Light underlay — center run or edge run is usually sufficient
• Minimal pull compensation needed (0.3–0.5mm on satin columns)
• Fine details and small text reproduce well

Common items: Polo shirts, dress shirts, Oxford jackets, twill caps, tote bags

Woven fabrics are the baseline for most digitizing settings. If you're unsure what fabric a design will be sewn on, woven is a safe assumption.

Knit fabrics stretch. That's what makes them comfortable — and what makes them challenging for embroidery. When you hoop a knit, you're putting tension on a fabric that wants to return to its original shape. When the hoop is removed, the fabric relaxes and can cause the design to pucker or distort.

Digitizing approach:

• Reduce stitch density slightly (0.45–0.5mm spacing) to reduce the weight of stitches on the fabric
• Use zigzag underlay to stabilize the knit before top stitches are applied
• Increase pull compensation (0.5–0.8mm) to account for fabric movement during sewing
• Avoid very fine details — they tend to sink into the knit loops
• Use a cutaway stabilizer (not tearaway) to support the design permanently

Common items: T-shirts, athletic jerseys, hoodies, sweatshirts, performance wear

The heavier the knit, the more underlay and pull compensation you need. A lightweight jersey needs less intervention than a thick French terry hoodie.

Fleece is one of the most difficult fabrics to embroider. The long, loopy pile of the fabric wants to push up through the stitches, obscuring the design. Without the right digitizing approach, a logo on fleece can look fuzzy and undefined.

Digitizing approach:

• Use a topping (water-soluble stabilizer placed on top of the fabric) to compress the pile during sewing — this is the single most important step for fleece
• Increase stitch density slightly to push through the pile
• Use a heavy zigzag underlay to flatten the pile before top stitches
• Avoid satin stitches on large areas — fills with a slight angle work better
• Minimum text size increases to 7–8mm on fleece (vs 4–5mm on woven)

Common items: Fleece jackets, pullovers, blankets, beanies

Always specify fleece when ordering digitizing — a file optimized for a polo shirt will not work well on fleece without modification.

Structured caps have a stiff buckram interfacing behind the front panel. This makes the fabric stable but also thick and resistant to needle penetration.

Digitizing approach:

• Use horizontal stitch directions to work with the cap hoop's rotation
• Heavy underlay (zigzag or parallel) to anchor stitches to the buckram
• Slightly higher density than flat garments
• Design size limited to approximately 2.25" × 4.5" on the front panel
• No tearaway stabilizer needed — the buckram acts as its own stabilizer

See our full guide: How to digitize a logo for cap embroidery

Denim is a tightly woven, heavy fabric that's actually quite good for embroidery — but its weight and stiffness require some adjustments.

Digitizing approach:

• Standard to slightly reduced density (denim is heavy; too many stitches can cause needle breakage)
• Strong underlay to anchor the design to the thick weave
• Increase pull compensation slightly — denim doesn't stretch but the thick weave can cause satin columns to appear narrower than designed
• Use a sharp needle (75/11 or 90/14) — standard needles can deflect on denim

Common items: Denim jackets, jeans, denim shirts, patches

Denim patches are a special case — the design is sewn on a separate fabric and then applied, which removes most of the fabric-specific challenges.

Terry cloth has a looped pile similar to fleece, but even more pronounced. Embroidery on towels requires the same topping technique as fleece, plus additional density to push through the loops.

Digitizing approach:

• Always use water-soluble topping
• Increase density significantly (0.35–0.4mm spacing)
• Heavy underlay — double zigzag is common
• Minimum text size 8–10mm
• Avoid thin satin columns under 4mm — they disappear into the loops

Common items: Bath towels, hand towels, robes, gym towels

Leather is a non-woven, non-stretch material that holds stitches very well — but every needle hole is permanent. This means you can't remove and re-hoop without leaving visible holes.

Digitizing approach:

• Get the design right before sewing — no second chances
• Reduce density slightly to minimize needle holes
• Avoid very dense fills — they can weaken the leather
• Use a sharp needle and sew at lower speed
• No stabilizer needed for genuine leather; use tearaway for faux leather

Common items: Leather jackets, bags, wallets, patches

Lightweight nylon and ripstop fabrics are used in outerwear, bags, and athletic gear. They're slippery and can shift during hooping, making registration a challenge.

Digitizing approach:

• Use a topping to prevent the fabric from shifting
• Reduce density to avoid puckering the lightweight material
• Avoid very large fill areas — they create too much pull on thin nylon
• Use a fine needle (65/9 or 70/10)

Common items: Windbreakers, rain jackets, backpacks, sports bags

The single most important thing you can do to get a great embroidery result is tell your digitizer what fabric the design will be sewn on. A professional digitizer will adjust density, underlay, pull compensation, and stitch direction based on the substrate.

At DST Studio, we ask about your fabric during the order process — and we adjust every file accordingly at no extra charge.

Submit your artwork → — specify your fabric and we'll handle the rest. Delivered in 2–4 hours from $5.

Also useful: What is stitch count in embroidery? | How to prepare artwork for digitizing