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Union Jack trunks for the British summer tradition of pretending eighteen degrees counts as beach weather.
The Union Jack Swim Trunks wrap red, white and blue British iconography around a fitted trunk shape that feels equal parts Brighton Pride, Ibiza expat weekend and very camp sporting event. The flag graphic is bold, but the compact silhouette keeps it sexier than novelty tourist swimwear.
A nylon and spandex blend gives the trunks comfortable stretch through the hips and upper thigh. That closer shape makes these Union Jack men’s swim trunks especially strong for Pride weekends and pool parties where baggy flag shorts would miss the entire point.
Rule Britannia, but perhaps moisturise first.
Union Jack Swim Trunks Product Details
• Union Jack design turns classic British flag colour into fitted queer swimwear
• Nylon and spandex blend gives the trunk flexible close stretch
• Compact leg length keeps the national print sharp and body-conscious
• Strong for Brighton Pride, British holidays and tongue-in-cheek resort styling
• More polished than souvenir board shorts while keeping all the flag drama
• Use the original sizing advice below before selecting your patriotic squeeze
Sizing note
This style runs close. Flat waist is the garment measured across one side while laid flat. Height and weight are manufacturer recommendations only, so prioritize waist and your preferred fit.
Imperial
| Size | Waist | Flat waist | Suggested height | Recommended weight |
|---|---|---|---|---|
| M | 27–29 in | 13.4 in | about 5 ft 5–5 ft 7 | 121–132 lb |
| L | 29–31 in | 14.2 in | about 5 ft 7–5 ft 9 | 132–154 lb |
| XL | 31–33 in | 15.0 in | about 5 ft 9–5 ft 11 | 154–176 lb |
| 2XL | 34–36 in | 15.7 in | about 5 ft 11–6 ft 1 | 165–187 lb |
Metric
| Size | Waist | Flat waist | Suggested height | Recommended weight |
|---|---|---|---|---|
| M | 68–74 cm | 34 cm | 165–170 cm | 55–60 kg |
| L | 74–80 cm | 36 cm | 170–175 cm | 60–70 kg |
| XL | 80–86 cm | 38 cm | 175–180 cm | 70–80 kg |
| 2XL | 86–92 cm | 40 cm | 180–185 cm | 75–85 kg |
Shipping
Queer In The World ships Pride around the globe. This item ships from one dedicated fulfilment location and will not necessarily be dispatched from within your country. Please allow approximately 7–14 days for delivery, depending on your destination.
If you order other products at the same time, they may arrive separately. We think spreading queer joy worldwide is worth a little travel, but if you need something by a particular date, please contact us before ordering.


