Do I have to wear a jacket over my show shirt?

[ahlam1399]

Atm I do a bit of everything : unaff sj, hunter trials, hunting and just generally have lots of fun! Currently, I wear a tweed jacket with a shirt and tie for sj, but I seem like the odd one out at shows. We look smart but a bit dated 😂! I want to buy a show shirt, but do I have to wear a jacket over the top? If I look smart would it matter? Thanks ❤️

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