Sublimation Printing: What It Can and Cannot Do

Sublimation turns solid dye into gas under heat, which bonds into polyester fibres and becomes part of the fabric. That means no surface layer, no cracking and no fading of the kind print suffers — but it only works on polyester, and it cannot produce white or light colours on a dark base.

Why It Behaves Differently

Every other decoration method adds something to the garment: ink on the surface, a transferred film, thread through the fabric. Sublimation does not. The dye enters the polymer structure of the polyester itself and stays there. The consequence is that a sublimated garment feels exactly like an undecorated one — there is no print to touch, no stiffness, no weight, and nothing that can crack or peel because there is nothing sitting on the surface.

The Two Hard Constraints

Both are absolute and both surprise people.

• Polyester only. The dye bonds to synthetic polymer, so cotton cannot be sublimated at all. High-polyester blends work partially, with muted results proportional to their cotton content.
• Light base fabrics only. Sublimation dye is translucent and adds colour to what is beneath — it cannot lay white or pale colour over a dark garment. Designs are printed onto white or light polyester.
• It suits all-over designs. Because the fabric can be printed before or as part of construction, designs can run edge to edge and across seams in a way no surface method manages.
• Colour depends on the base. The same design prints differently on different polyester bases, so consistency across garment types needs checking.

Where It Excels

Sports kit is the obvious home. Rugby shirts, football kit, cycling jerseys, esports jerseys and running vests all benefit from a decoration method that adds no weight, blocks no breathability and survives constant washing. All-over printed hoodies and fashion pieces are the other main use, where edge-to-edge graphics are the whole point of the garment and could not be achieved any other way.

“"Sublimation is the only method where the finished garment has no print on it — the print is the garment."”

Where It Does Not Fit

Anything cotton. A heavyweight cotton tee or a cotton-rich hoodie — which is what most casual merch buyers actually want — cannot be sublimated, and this is the most common mismatch between what people ask for and what the process allows. For those garments, screen printing, DTF or embroidery are the routes. Dark garments with light designs are similarly out of scope.

Timing and Ordering

Sublimation and other complex jobs sit at the longer end of production, typically around 15–20 working days from artwork approval, plus 2–5 working days tracked UK delivery. That is worth planning for, particularly on team kit tied to a season start. Orders begin at 50 pieces with mixed sizes allowed, and bulk discounts reach up to around 35% as quantities rise. Preview the full layout in the free Design Studio — all-over designs wrap across panels and are hard to judge without seeing them laid out — and compare options in the free instant price calculator.