Buying the current season's shirt is a small act of optimism: you are buying into a year that has not finished yet. The design might change in January, the player you print on the back might be gone by March, and the whole thing is only ever going to be 'this season's' for twelve months. None of that is a reason not to do it — it is the fun part.

An older design works the other way round. The season is over, you know exactly how it ended, and the shirt is already fixed in your head as the one from that year. Nothing about it can be superseded. That is why people ask for these by year instead of by club: not 'a United shirt' but 'the one from 2008', and they can usually picture the collar before they open the listing.

The first is the retired season: a specific year's home shirt, the one that gets named first when someone says 'remember the…'. It is the safest of the three because the design is already famous — you are not explaining anything to anyone who sees it.

The second is the away oddity: the change strip in a colour the club has never repeated, usually made once and quietly dropped. It is the most interesting thing on most rails and the one people regret not buying. The third is the deliberate look-back — an anniversary design with an older collar or crest placement on modern fabric, which is the comfortable option if you want the retro look without hunting through old stock.

Retro designs are not reissued in the same cut as the modern shirt. Most of them sit closer to the body, with a narrower shoulder and less room through the chest, because that is how they were made. If you are between sizes, the larger one is almost always the right call — and if the shirt is going over anything at all, go up once more.

The second thing worth checking is the print. In the product photos a good name set sits flat and square against the fabric; one that lifts at the corners in a photo will lift worse after a wash. Then look at the colourway itself: white and other light colourways show every mark from a season of wearing, while dark and striped ones hide it. And finally ask what the shirt is actually for — a retro reads as ordinary clothing far more easily than a current-season shirt with a sponsor across the chest.

A retro is the safest gift in this catalogue, and the reason is unglamorous — nobody can be wrong about it. A current-season shirt tells the recipient you know exactly which club and which year they follow. An older one just tells them you know what football looks like, which is a much lower bar and a much warmer thing to receive.

It also solves the sizing problem in a way people do not expect. Because it is going to be worn as clothing rather than on a matchday, one size up is not a mistake, it is the intended fit. If you are buying for someone whose size you would have to guess at, this is the shelf to guess on.