How to design and manufacture sportswear

Start with the wearer, movement and complete kit

Record the sport, training or match use, intended fit and layers worn underneath. A close-fitting cycling jersey and a hockey jersey worn over pads need very different pattern shapes even if both use polyester.

Identify each separate item: jersey, shorts, trousers, socks, bib or warm-up layer. Draw front and back views, then note functional requirements before adding graphics. Treat any league lettering or equipment rules as requirements to verify with the relevant organiser.

• Specify the wearer group and a real size chart rather than relying only on S, M and L.
• Describe relevant movement: overhead reach, squat, stride, seated riding or fitting over protection.
• State whether pockets, lining, pad clearance, a liner, grippers or an adjustable waist are needed.

References: CottonWorks: garment construction and pattern engineering ↗Coats: activewear thread, zip and stitch planning ↗

Understand the benefit and limitation of each fabric route

Polyester interlock offers a relatively smooth surface for a clean printed design; mesh introduces openings and texture. Compare coverage, surface detail and feel on the actual swatch. Neither a mesh name nor a polyester label establishes tested wicking, UV protection or cooling.

Polyester–elastane and nylon–elastane knits are candidates when the design needs added stretch and recovery. Check both directions and how the fabric looks under tension. Elastane percentage alone cannot specify a compression rating. LYCRA is a fibre brand; elastane and spandex are generic names.

For training layers, compare loopback, brushed sweatshirt fleece, tricot and stretch woven routes. Each changes the inside feel, drape and panel behaviour. For outerwear, specify the shell, backing, lining and any membrane separately.

• Composition describes fibres; interlock, tricot and jersey describe constructions.
• GSM describes mass per area. Compare it with drape, coverage and movement, not as a quality score.
• Record any required performance evidence before ordering; do not infer certification from a fabric trade name.

References: CottonWorks: single and double knit construction ↗The LYCRA Company: spandex, elastane and LYCRA fibre ↗Athleno: published sports fabric examples ↗

Plan jerseys and shorts for field and court sports

Use these as development questions, then compare samples. Similar-looking uniforms can need different neck openings, sleeve shapes and panel layouts.

• Football: compare smooth interlock and textured mesh, check shorts coverage, and plan goalkeeper sleeve and movement requirements separately.
• Basketball: review armhole coverage, side panels, short length and waist movement; check front and back number visibility on the worn kit.
• Rugby: choose the intended classic or fitted shape, review collar construction, and assess seams and movement together.
• Volleyball: check overhead reach, armhole or cap-sleeve fit, shorts coverage and any decoration across stretch areas.
• Netball: assess dress or bib fit through reaching and turning, and agree how position panels or attachments will work.
• Lacrosse: review pinnie openings, shorts movement and any layers underneath; a reversible item needs both faces and seam finishes planned.

References: Athleno: published sports fabric examples ↗Coats: activewear thread, zip and stitch planning ↗

Allow for pads, plackets and the whole uniform

Fit equipment and openings into the pattern before placing a crest. Artwork that looks centred on a flat drawing may sit differently when the garment is buttoned, worn over pads or tucked in.

• American football: develop the shoulder-pad cut and game-pant fit with the intended equipment; check shoulder artwork on the three-dimensional sample.
• Ice hockey: review body and sleeve volume over pads, neck opening and crest scale; coordinate jersey and hockey sock colours.
• Baseball and softball: plan the button or two-button placket, avoid losing lettering in an overlap, and review trouser fit through crouching.
• Cricket: distinguish coloured shirt and trouser requirements; review collar, pocket or waistband details and fit with the intended equipment.

References: CottonWorks: garment construction and pattern engineering ↗Coats: activewear thread, zip and stitch planning ↗

Design for repeated movement and close fit

Close-fitting garments need a joint review of fabric extension, pattern shape, seam position and decoration. An easy stretch in the swatch is not enough if the finished seam or large logo restricts movement.

• Cycling: assess the jersey in a riding position, rear coverage, pockets and zip; specify bib straps, leg finish and any pad separately.
• Running and athletics: compare vest coverage and seam feel, split-short movement and any inner liner; review pockets with their intended contents.
• Wrestling and combat: check singlet or rash-guard coverage and seam feel during movement; specify fight-short closures and stretch zones.
• Training and teamwear: evaluate tracksuits, quarter-zips, tees and hoodies as a set, including jacket-to-trouser colour matching and lining.
• For a streetwear-inspired team capsule, treat its fashion wash and decoration brief separately from the performance kit specification.

References: Coats: Soft and Secure Seams ↗The LYCRA Company: spandex, elastane and LYCRA fibre ↗

Design artwork around panels, seams and openings

Sublimation is a useful route for all-over designs on suitable polyester bases. A white or light base is the normal starting point because standard dye sublimation does not supply white ink. Dark fabric, untreated cotton and nylon need a different material-and-decoration assessment.

Request the actual pattern template for each garment. Mark visible panel boundaries and sewing allowances, keep important text clear of seams, and identify which stripes must meet across joins. Review small and large sizes; grading changes the space available for artwork.

• Check sponsor spelling, player names, numbers and logo permissions before production.
• Record finished print dimensions and placement measurements, not only a screenshot.
• Test transfers or embroidery on the selected fabric; consider heat response, support, stretch and the feel against the body.
• Approve colour using the agreed physical reference and sample, since a screen is not a fabric colour standard.

References: Epson: sublimation substrates and base colours ↗CottonWorks: textile printing and fabric preparation ↗

Follow the proposed manufacturing route

The factory develops the pattern and size grading, prepares the selected material, cuts the components, decorates at the appropriate stage and assembles the garment. Some designs are printed as panels before sewing; other marks are added to assembled garments. Ask for the sequence that suits your design.

Seam type, thread and construction should work with the fabric and movement. Discuss bulk and skin contact as well as appearance. Piping is a sewn component with its own colour and position; a printed stripe creates a different result.

• Keep body fabrics, trims, lining and decoration in one specification.
• Confirm whether panels, marks or components require separate approval.
• Preserve the approved revision so later changes cannot be confused with the production reference.

References: CottonWorks: garment construction and pattern engineering ↗Coats: Soft and Secure Seams ↗

Approve a usable sample, not just an attractive photo

Review the garment on the intended wearer or fit model. Measure the agreed points, move in the garment and examine coverage, closures, seams and artwork. Record what passed and what must change. Any wash or performance assessment should use agreed requirements for that product.

Crownseam has manufacturing capacity of 2,000 pieces per week. Order allocation is confirmed separately. During sampling and production, Crownseam provides daily updates, photos and videos and requests approval when a step needs your decision. Production media for your brand can be planned with agreed shots, formats and permissions.

• Check the completed kit together, including shade consistency across different materials.
• Confirm final artwork, size breakdown, labels and packing instructions in writing.
• Use care instructions assessed for the finished combination of fabric, print and trims.

References: CottonWorks: garment quality control ↗GINETEX: textile care labelling competence ↗