Measure before translating a size
Start with the chart linked from the exact product page, using the intended wearer category. An adult medium and a junior medium are different choices. Measure in the units requested by the manufacturer, and check whether the chart describes body measurements or the garment itself. Do not compare a flat shirt width directly with a body-circumference chart.
Keep model and fit together
A size label alone cannot tell you how a jersey will fit. Record the manufacturer model, wearer category and product tier, then read its fit description. Do not apply a blanket rule that every European shirt runs small or every Match version needs one size up. A different release or cut may require a fresh measurement check.
Use a shirt you already like carefully
Lay a well-fitting jersey flat and record its width and length if the retailer provides garment measurements. Compare like measurements using the same method. For a used shirt, ask for the actual item measurements and check alterations or shrinkage; the original size label cannot resolve those differences.
Protect an uncertain gift purchase
If you cannot obtain the recipient measurements, check the exact item return terms before ordering. Confirm whether adding a player name, custom text or patches changes eligibility. A pre-printed player shirt and a custom order may have different terms. Keep tags and packaging until fit is settled, following the retailer instructions.
Sources to check
Explore the catalog
These are discovery entries. Confirm the exact item and current terms at the retailer.
Frequently asked
Is a US medium always an EU large?
No universal conversion is supported here. Use the size chart for the exact model and wearer category.
Should I size up for every Match jersey?
Do not assume so. Compare the model measurements and fit description with the room you want.
Can I exchange a personalized jersey?
Check the exact retailer and item policy before adding personalization. This guide does not promise an exchange window.