Football, Rugby and Basketball Shirt Sizing Compared
Football, rugby and basketball shirts usually come in the same letter sizes, but they do not fit the same way. A fan football shirt usually fits like a regular top, a modern rugby shirt is cut close to the body, and a basketball jersey is sleeveless, so the armholes and length matter more than the sleeves. The easiest way to choose one size for all of them is to measure a top you already like and check it against each size chart.
That matters most when you do not know which sport you are getting. With the Wildcard Box, we pick the sport and you pick the size, so it helps to know how each one tends to sit before you choose. This guide goes through each sport, then gives you a simple way to settle on one size.
Why one size label can fit four different ways
A size M is not a fixed measurement. Each sport has its own idea of what a shirt is for, and the cut follows from that. A football shirt has to look good in the stands. A rugby shirt has to survive being grabbed. A basketball jersey has to leave the arms completely free. Gaelic jerseys are their own thing again.
On top of that, each kit maker has its own pattern, and the same maker can cut a fan version and a player version differently. So the label on the collar is a starting point, not an answer. The good news is that you only need two things to make a sensible choice: a measurement of a top that already fits you well, and an idea of how each sport tends to fit.
When you open a Wildcard Box it could be any of four sports:
- Football, as a football shirt.
- Rugby, as a rugby shirt.
- Gaelic, as a Gaelic jersey.
- Basketball, as a basketball jersey.
You choose one size before you know which it will be, so the rest of this guide is about picking the size that works across all four. If you want the full story of how the box works first, our guide to the multi-sport mystery shirt box covers it.
Football shirt sizing: fan fit vs player fit
Most football shirts that fans wear are the fan version, sometimes called the replica or stadium version. These are generally cut to fit like an ordinary T-shirt, so your usual size is normally the right one. One collectors' size guide lists the fan version as fitting true to size (source: Retro Football Shirts size guide).
Player versions, also called authentic or player issue, are where it changes. The same guide lists them as a slimmer, athletic cut. A side-by-side comparison of several player and fan shirts found that it depends on the maker and the season: in one pairing the player shirt measured noticeably narrower across the chest than the fan shirt of the same size, while in others the listed measurements were the same (source: Football Shirt Collective). If you like a relaxed fit and you end up with a player version, it can feel snug.
Our explainer on authentic vs replica football shirts goes into the difference between the two in more detail.
Rugby shirt sizing: closer to the body
Rugby shirt sizing is where people get caught out most often. Modern rugby shirts are cut close to the body. Most playing shirts have a tight, athletic cut, which leaves less loose fabric for a tackler to grab (source: Wikipedia, Rugby shirt).
Retail sizing guides say the same. One rugby shop's guide explains that most rugby apparel has an athletic fit, designed to sit closer to the body to avoid jersey tackles, and suggests choosing a larger size if you want a looser fit or plan to layer underneath (source: World Rugby Shop sizing help).
In practice, a rugby shirt in your usual size will usually feel firmer across the chest, shoulders and upper arms than a football shirt in the same size. If you are broad through the shoulders, keep that in mind when you choose. If a rugby shirt lands and the numbers on the back are new to you, our guide to rugby shirt numbers explains who wears what.
Basketball jersey sizing: length and armholes
A basketball jersey is the odd one out because, traditionally, it has no sleeves. Sleeveless jerseys have long been the standard on court, with sleeved versions the exception (sources: Wikipedia, Basketball uniform and The New Republic). That means sleeve length never comes into it, and the things to think about are the chest, the armholes and how far down it hangs.
Length varies more than you might expect. Some styles are cut longer than others, so an untucked jersey can sit quite low on you, and one sizing guide suggests measuring from your shoulder to your waist to see where it will fall (source: Dunk or Three). A reviewer who compared jerseys from several makers found that some ran longer than others, and that the cut varied from slim to standard depending on who made it (source: Sports Fan Focus).
Some people like to wear a basketball jersey over a T-shirt. One of those guides suggests going up a size if you plan to layer or want a baggier look.
Gaelic jersey sizing
Gaelic jerseys get a guide of their own. Rather than repeat it here, our GAA jersey sizing guide covers how they tend to fit and what to measure. The same principle applies as for the other three: measure a top you like, then compare.
Football, rugby, Gaelic and basketball sizing compared
Here is how the four sports tend to differ, in general terms. Individual shirts vary by maker and season, so treat this as a guide rather than a rule.
| How it tends to fit | What to check | |
|---|---|---|
| Football (fan version) | Like a regular T-shirt | Chest and length |
| Football (player version) | Slimmer, more athletic | Chest and shoulders |
| Rugby | Close to the body | Chest, shoulders and upper arms |
| Basketball | Sleeveless; length varies | Chest, armholes and length |
| Gaelic | See our GAA sizing guide | See our GAA sizing guide |
How to pick one size for a Wildcard Box
Because you choose the size before you know the sport, aim for the size that would work best across all four. This is the simplest way we know to do it.
- Find a top that fits the way you like. A sports shirt is ideal, but any T-shirt you are happy with works.
- Lay it flat and measure. Measure straight across from armpit to armpit, then from the top of the shoulder to the hem.
- Compare with the size chart. Check the chart on the product page and find the size closest to your measurements.
- Think about rugby. If you are between two sizes, remember that a rugby shirt is likely to be the snuggest of the four. Going up is usually the safer choice if you want a comfortable fit whichever sport arrives.
- Think about how you will wear it. If you like to layer a T-shirt under a basketball jersey, or you simply prefer a relaxed look, lean towards the larger size.
If you are buying a Wildcard Box as a gift, sneak a look at the size label on a top they wear often. That one detail is the only thing you need to get right, because the sport is our call.
Whichever sport turns up, some things stay the same. Every shirt is 100% authentic and officially licensed, it arrives with its tags, and it is never a pre-match or training shirt. If it misses the mark, the exchange is free. It is one box and one payment, not a subscription. For a closer look at what each of the four outcomes is like, see which sport you will get in a Wildcard Box.
FAQs
Do rugby shirts fit smaller than football shirts?
Modern rugby shirts are usually cut closer to the body than fan football shirts, so the same label size can feel tighter across the chest and shoulders. Check the size chart and go up if you are between sizes.
Should I size up for a basketball jersey?
Only if you want a looser look or plan to wear a T-shirt underneath. Otherwise, match your chest measurement to the chart and check the length.
Can I choose the sport so I know which sizing applies?
No. With the Wildcard Box we pick the sport and you pick the size, so choose the size that would suit you across all four sports.
What if the size is not right?
The Wildcard Box comes with a free exchange if it misses the mark, so you are not stuck with it.
Are player-version football shirts tighter?
Often, yes. Player versions tend to have a slimmer, more athletic cut than fan versions, though how much varies by maker and season.