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ECOBLOCK vs. ECOFLEX: WHICH HEAT TRANSFER FOR SUBLIMATED JERSEYS?

Picture the worst-case scenario

It’s matchday. The new jerseys are ready, the fans are in the stands, sponsors are watching, and the cameras are rolling.

But during warm-up, you notice something alarming: the sponsor logo on the crisp white jersey suddenly looks pink. The sublimation dye from the fabric has bled through the logo.

This issue is called dye migration. For clubs and brands, it means complaints, costly re-productions, and unwanted stress. But there’s another risk too: when a logo cracks, feels stiff, or ruins the comfort of a performance jersey.

That’s why the big question is: Which transfer protects you better – ECOBLOCK or ECOFLEX?

The good news: you don’t have to choose one over the other for everything. It’s all about picking the right transfer for the right use case. ECOBLOCK and ECOFLEX complement each other and keep you covered in different scenarios.


ECOFLEX: Maximum stretch for performancewear

125 ecoflex

When flexibility and comfort matter most, ECOFLEX is the go-to solution.

Strengths:

  • Extreme stretch in all directions
  • Soft and lightweight, barely noticeable on the jersey
  • Ideal for jerseys, warm-up tops, performance shirts

Limitations:

  • No protection against dye migration
  • Risky on sublimated or heavily dyed fabrics

ECOFLEX is perfect when mobility, comfort, and sustainable performance are the focus — and dye migration is not a concern.


ECOBLOCK: Your shield against color bleeding

09 Ecoblockblack TBX01

ECOBLOCK BLACK was designed for critical textiles where ECOFLEX and traditional transfers struggle.

Strengths:

  • Built-in barrier layer that blocks sublimation dyes
  • Ultra-thin and stretchable – comfortable even on performancewear
  • Tested for durability through repeated washing cycles

ECOBLOCK is the safe choice when color stability is a must — for sublimated jerseys, softshell jackets, or any technical textile where standard transfers fail.


Decision guide: ECOBLOCK or ECOFLEX?

Heat Transfers against Dye Migration by dekoGraphics ECOBLOCK BLACK ECOBLOCK WHITE

Choose ECOFLEX if…

  • you’re working with elastic jerseys made of polyester/elastane
  • training, fitness, or activewear is your focus
  • there’s no risk of dye migration

Choose ECOBLOCK if…

  • you’re producing sublimated jerseys or working with heavily dyed fabrics
  • you need transfers for softshells or coated materials
  • sponsor logos in light colors must remain perfectly clean and stable


Price and value: When each one makes sense

ECOFLEX is cost-efficient for standard sportswear projects where stretch and comfort matter most.

ECOBLOCK is more complex and costly to produce, but it saves you from expensive rework, returns, and sponsor complaints by preventing color migration.


Your next step: Test, don’t risk

THE BOX Heat Transfer Samples by dekoGraphics

Not sure which solution your fabric needs?

Order THE BOX – our free sample kit with ECOBLOCK and ECOFLEX logos you can test on your own textiles.

Or send us your original garments – we’ll test them for you, free of charge.


FAQ: ECOBLOCK vs. ECOFLEX

FAQ by dekoGraphics

How do I know if my fabric needs ECOBLOCK?

If you’re working with sublimated fabrics, dark-dyed textiles, or technical coatings, ECOBLOCK is the safe choice. For cotton or standard polyester, ECOFLEX is usually sufficient.

Can I combine ECOBLOCK and ECOFLEX in one collection?

Yes. Many clubs and brands use different transfers depending on the fabric. We’ll help you decide which works best for each product.

What about cost differences?

ECOFLEX is more economical for everyday performancewear. ECOBLOCK is more expensive, but it prevents costly complaints and re-productions on difficult textiles.

Are both transfers wash-resistant?

Yes. Both ECOFLEX and ECOBLOCK are designed for durability and repeated washing — as long as they’re applied correctly.

Can I see samples before making a decision?

Absolutely. With THE BOX, you’ll get real samples of ECOBLOCK and ECOFLEXor we’ll test your actual textiles in-house.


Names & numbers in action

ECOBLOCK BLACK MATT GLOSS heat transfer by dekoGraphics

Both ECOFLEX and ECOBLOCK BLACK are also used for player names and numbers – depending on the textile and requirements. This way, your jersey looks perfect not only on the front but also on the back.

dekoAI Your Heat Transfer AI Assistant from dekoGraphics

Conclusion – your matchday peace of mind

Every textile comes with its own risks. On standard fabrics, ECOFLEX delivers the perfect mix of stretch, comfort, and sustainability. On sublimated or coated materials, ECOBLOCK adds the security of a built-in barrier against dye migration.

The key is choosing the right transfer for the right job. Test both on your own textiles, and you’ll see immediately which one gives you the confidence you need.

With ECOBLOCK and ECOFLEX, you don’t have to compromise: performance and reliability go hand in hand. And when matchday comes, you’ll know your logos are safe — no surprises, just the result you planned for.

👉 Your call: Will you risk color migration or cracked logos — or choose the transfer that keeps your project safe from day one?

GET THE BOX

With so many heat transfers options available here at dekoGraphics, it’s easy to be torn between designs. Get a closer look by ordering FREE* samples today - we deliver THE BOX straight to your door!
*Please note our offer is exclusively for business customers.
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YOU HAVE A VISION

WE HAVE THE KNOWLEDGE TO GET YOU THERE

Explore the world of heat transfer embellishment with our dekoGraphics Digital Guide. See how we're empowering brands like yours. Subscribe for updates every two weeks on blog articles, success stories and products.

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