Flow Athletic is one of Sydney's most well-regarded boutique fitness studios — a business built on a clear philosophy about movement, community, and how those two things intersect. Their branding is clean, considered, and consistent. Their staff uniforms reflect all of that, and the approach they took to activewear decoration offers useful lessons for any business working in the performance apparel space.

The activewear branding problem

Decorating performance fabric is fundamentally different to decorating a cotton polo or tee. The fabrics are lighter, stretchier, and often have textured or technical surfaces. The inks and methods that work on cotton may not adhere correctly, may crack under repeated stretch, or may affect the performance properties of the fabric (breathability, moisture wicking).

This isn't a reason to avoid branding activewear — it's a reason to understand the constraints before you choose a decoration method.

What works on performance fabric

Screen printing with plastisol inks can work on performance fabric but requires careful ink selection and curing. Standard plastisol inks don't stretch with the fabric and will crack over time on high-stretch applications. Stretch inks are available and perform significantly better — but they require a decorator experienced with performance fabric decoration.

Heat transfer (vinyl or digital): Printed heat transfers are commonly used on activewear — they adhere well to synthetic fabrics and flex with the material. The quality range is enormous. Cheap vinyl transfers look promotional and begin to peel with regular washing and high heat (like the temperatures activewear goes through). Quality digital transfers — produced via specialist processes — look excellent and hold up well in use.

Embroidery on performance fabric requires stabilisation — the stretch and texture of the fabric needs a backing material (stabiliser or topping) to produce clean, consistent stitching. Without it, the fabric distorts under the presser foot and the embroidery looks uneven. With proper stabilisation, embroidery on activewear can look excellent — particularly for structured applications like polo collars and jacket chests where the fabric has less stretch.

Sublimation is the only method that truly integrates with polyester performance fabric — the dye becomes part of the fibre itself, which means it won't crack, peel, or affect stretch. For fully branded activewear (all-over design, custom colourways), sublimation on polyester is the professional standard. The constraint: sublimation only works on white or very light polyester garments, and requires minimum quantities to be commercially viable.

Flow Athletic's approach

Flow Athletic's staff uniform brief had clear priorities: it needed to look professional in a premium boutique fitness environment, it needed to perform during physical instruction, and it needed to photograph well for social media — because their instructors appear in class photography that represents the brand publicly.

The solution: a performance tee in their brand colour (a muted sage green) with a left-chest screen print using stretch-compatible inks in white. Clean, minimal, photographically strong. The stretch ink specification was critical — instructors are moving constantly, and a print that cracked after two weeks of classes would have undermined the programme.

For a secondary layer — a lightweight zip-through jacket for cooler mornings or reception areas — embroidery was used on the chest, with proper stabilisation specified for the performance fabric. The combination of a screen-printed tee and an embroidered jacket gave the team visual consistency across different contexts without requiring a complex uniform system.

The photography consideration

Flow Athletic's point about photography is worth underlining for any brand where staff appear in content. The uniform is in the frame whenever a staff member is photographed — in class, at the reception desk, in lifestyle content. A poorly chosen colour, a clashing logo placement, or a garment that looks cheap in natural light is a content problem as much as it is a uniform problem.

Before finalising activewear uniform decisions, test the garment in the conditions where it'll be photographed. A colour that looks great under retail lighting may look washed out in natural light. A print that reads clearly in person may become the dominant visual in a tight portrait crop. These are solvable problems — but they're easier to solve before production than after delivery.

Outfitting an active or hospitality team and want the decoration to work properly? Subscribe to Branded — Printwear's weekly newsletter for business owners and operations managers across Australia and New Zealand.