523 items
14 colours
£16.99
Rate: 4.7 stars, 141 votes
2 colours
£5.99
Last chance
14 colours
£16.99
Top rated
2 colours
£18.99
Top rated
Top rated
Rate: 4.7 stars, 432 votes
2 colours
£16.99
Last chance
Rate: 4.6 stars, 324 votes
6 colours
£7.99
£17.9955% off
£18.99
Sale
Sold and shipped by SPEEDO INTERNATIONAL LIMITED
£12.99
£19.0031% off
Sale
Rate: 4.6 stars, 324 votes
6 colours
£9.99
£14.9933% off
Last chance
19 colours
£5.99
£10.9945% off
14 colours
£16.99
14 colours
£16.99
Top rated
Rate: 4.8 stars, 1090 votes
9 colours
£9.99
Sale
Sold and shipped by SPEEDO INTERNATIONAL LIMITED
£12.99
£19.0031% off
Black Friday
£9.99
£18.9947% off
Sale
4 colours
Sold and shipped by Konfidence
£19.99
£26.9925% off
£19.99/unit
Sale
4 colours
Sold and shipped by Konfidence
£19.99
£26.9925% off
£19.99/unit
Sale
Rate: 4.5 stars, 4 votes
3 colours
Sold and shipped by adidas (UK) Limited (ADIDAS UK)
£14.95
£23.0035% off
Black Friday
2 colours
Sold and shipped by adidas (UK) Limited (ADIDAS UK)
£11.70
£18.0035% off
Sale
Sold and shipped by SPEEDO INTERNATIONAL LIMITED
£21.99
£32.0031% off
19 colours
£10.99
Top rated
Rate: 4.7 stars, 438 votes
4 colours
£7.99
Sale
Rate: 4.6 stars, 625 votes
15 colours
£11.99
£15.9925% off
Black Friday
2 colours
Sold and shipped by adidas (UK) Limited (ADIDAS UK)
£8.45
£13.0035% off
Last chance
Rate: 4.4 stars, 48 votes
5 colours
£14.99
£19.9925% off
Sale
Rate: 3.0 stars, 2 votes
2 colours
Sold and shipped by adidas (UK) Limited (ADIDAS UK)
£11.70
£18.0035% off
Last chance
Rate: 4.6 stars, 324 votes
6 colours
£11.99
£17.9933% off
19 colours
£10.99
7 colours
£8.99
2 colours
Sold and shipped by Pertemba GB
£25.99
Sale
Rate: 4.6 stars, 625 votes
15 colours
£9.99
£12.9923% off
Top rated
Rate: 4.7 stars, 438 votes
4 colours
£7.99
Last chance
Rate: 4.9 stars, 103 votes
7 colours
£8.99
5 colours
£12.99
Rate: 4.6 stars, 625 votes
15 colours
£14.99
Top rated
5 colours
£7.99
4.7/5 based on 146480 reviews collected online and in stores

Boys Swimwear

At Decathlon, we understand that whether it's a relaxed day at the beach or an intense swim session, the right gear makes all the difference. Our collection of boys swimwear strikes the perfect balance, offering both style and efficiency, ensuring comfort and performance go hand in hand.


For those who love a more streamlined feel when cutting through the water, our boys swimming trunksare perfectly tailored. Offering a snug fit, they balance flexibility and security, ensuring he feels confident with every stroke and splash. If your next trip is set for the pool or beach, ourboys swim shorts & board shorts are the ideal companion. These shorts promise quick drying while the stylish designs ensure he stands out, whether he's building sandcastles or diving in.


And don’t forget to check out our range of boys briefs and jammers. Designed for precision, our briefs and jammers offer minimal resistance, making them ideal for those training sessions or competitive swims. With them, he's set to glide seamlessly, enhancing his performance while ensuring comfort.