Boys Swimming Trunks

Whether you’re a regular swimmer or getting ready for some holiday fun, we have you covered. You can choose from sporty, quirky or trendy swimming trunks, that fit with the functionality you need to stay cosy, dry and flexible.
53 items
New
NABAIJI Boys' swimming boxer shorts - 100 Plus dark blue

NABAIJI Boys' swimming boxer shorts - 100 Plus dark blue

(2220)
3 colours
£5.99
NABAIJI Boys' swimming boxer shorts - 100 plus black

NABAIJI Boys' swimming boxer shorts - 100 plus black

(2220)
3 colours
£7.99
CODE SWIM15
NABAIJI Boys' swimming boxer shorts - 500 Fitib all marin blue red

NABAIJI Boys' swimming boxer shorts - 500 Fitib all marin blue red

(3561)
13 colours
£10.99
CODE SWIM15
NABAIJI Boys' swimming boxer shorts - 500 Fitib all shark black neon yellow

NABAIJI Boys' swimming boxer shorts - 500 Fitib all shark black neon yellow

(3561)
13 colours
£10.99
CODE SWIM15
NABAIJI Boys’ Swimming Boxer Trunks-Fitib-Line Blue/Yellow

NABAIJI Boys’ Swimming Boxer Trunks-Fitib-Line Blue/Yellow

(3561)
13 colours
£5.99
£10.9945% off
CODE SWIM15
NABAIJI Boys’ Swimming Trunks Fitib - East Blue / Green / Red

NABAIJI Boys’ Swimming Trunks Fitib - East Blue / Green / Red

(3561)
13 colours
£10.99
CODE SWIM15
NABAIJI Boys’ Swimming Boxers - Fitib - Blue Grey Bask

NABAIJI Boys’ Swimming Boxers - Fitib - Blue Grey Bask

(3561)
13 colours
£10.99
NABAIJI Boys' swimming shorts - 100 dark blue

NABAIJI Boys' swimming shorts - 100 dark blue

(464)
2 colours
£7.99
CODE SWIM15
NABAIJI Boy’s Swimming Trunks - Fitib - Trice Turquoise / Grey

NABAIJI Boy’s Swimming Trunks - Fitib - Trice Turquoise / Grey

(3561)
13 colours
£4.99
£7.9937% off
NABAIJI Boys' swimming shorts - 100 blue

NABAIJI Boys' swimming shorts - 100 blue

(464)
2 colours
£7.99
CODE SWIM15
NABAIJI Boys’ swimming boxer shorts - 500 Fitib black blue red yellow green

NABAIJI Boys’ swimming boxer shorts - 500 Fitib black blue red yellow green

(3561)
13 colours
£10.99
Sale
NABAIJI Boys’ Swimming Trunks Yokob Dark Blue / Neon Green

NABAIJI Boys’ Swimming Trunks Yokob Dark Blue / Neon Green

(633)
2 colours
£6.99
£10.9936% off
Last chance
SPEEDO BOY'S SWIMMING BOXERS SPEEDO - BLUE PRINT

SPEEDO BOY'S SWIMMING BOXERS SPEEDO - BLUE PRINT

(87)
£9.99
£18.9947% off
CODE SWIM15
NABAIJI Boys’ Swimming Trunks - Fitib - Line Blue / Beige

NABAIJI Boys’ Swimming Trunks - Fitib - Line Blue / Beige

(3561)
13 colours
£10.99
NABAIJI BOYS' SWIMMING BOXER BASIC 100 - BLUE

NABAIJI BOYS' SWIMMING BOXER BASIC 100 - BLUE

(1167)
£4.99
Last chance
NABAIJI Boy's Swimming Shorts - Yokob - Spor Black / Orange

NABAIJI Boy's Swimming Shorts - Yokob - Spor Black / Orange

(633)
2 colours
£7.99
£9.9920% off
CODE SWIM15
NABAIJI Boy’s Swimming Trunks - Fitib - Saur Navy Blue / Orange / Green

NABAIJI Boy’s Swimming Trunks - Fitib - Saur Navy Blue / Orange / Green

(3561)
13 colours
£6.99
£10.9936% off
NABAIJI BOYS’ SWIMMING JAMMER FINA 900

NABAIJI BOYS’ SWIMMING JAMMER FINA 900

(1)
£54.99
Last chance
ARENA Kid's Swimming Briefs ARENA SKULL Black

ARENA Kid's Swimming Briefs ARENA SKULL Black

(2)
£11.99
£14.9920% off
SPEEDO Junior Speedo Essential 13" Watershort

SPEEDO Junior Speedo Essential 13" Watershort

£12.99
SPEEDO Speedo Boys Digital Allover Panel Swim Jammer - Black/Red

SPEEDO Speedo Boys Digital Allover Panel Swim Jammer - Black/Red

Sold and shipped by theSwimmingShop
£26.40
SPEEDO Boys Essential Swim Shorts (Red)

SPEEDO Boys Essential Swim Shorts (Red)

3 colours
Sold and shipped by Pertemba GB
£22.49
SPEEDO Boys Essential Swim Shorts (Black)

SPEEDO Boys Essential Swim Shorts (Black)

3 colours
Sold and shipped by Pertemba GB
From £21.99
SPEEDO Boys Essential Swim Shorts (Navy)

SPEEDO Boys Essential Swim Shorts (Navy)

3 colours
Sold and shipped by Pertemba GB
From £21.99
Last chance
NABAIJI Boy’s Swimsuit - Boxer 100 Plus - Turquoise

NABAIJI Boy’s Swimsuit - Boxer 100 Plus - Turquoise

(2220)
3 colours
£7.99
SPEEDO Speedo Boys Eco Endurance+ Aquashort - True Navy

SPEEDO Speedo Boys Eco Endurance+ Aquashort - True Navy

2 colours
Sold and shipped by ProSwimwear LTD
£17.99
SPEEDO Speedo Eco Endurance+ Kids Aquashort

SPEEDO Speedo Eco Endurance+ Kids Aquashort

2 colours
Sold and shipped by ProSwimwear LTD
From £14.99
£14.99/unit
Last chance
SPEEDO Swimming boxers SPEEDO printed black green

SPEEDO Swimming boxers SPEEDO printed black green

(6)
£14.99
SPEEDO Speedo Boy's Allover Digital 13cm Briefs - Shark Infested Waters

SPEEDO Speedo Boy's Allover Digital 13cm Briefs - Shark Infested Waters

2 colours
Sold and shipped by ProSwimwear LTD
£13.99
SPEEDO Speedo Boy's Allover Digital 13cm Briefs - Shark Infested Waters

SPEEDO Speedo Boy's Allover Digital 13cm Briefs - Shark Infested Waters

2 colours
Sold and shipped by ProSwimwear LTD
£13.99
Last chance
NABAIJI Boys' swimming briefs 900 yoke grad green

NABAIJI Boys' swimming briefs 900 yoke grad green

(138)
3 colours
£6.49
£8.9927% off
ARENA Boys' Swimming Boxers - ARENA - Blue Yellow

ARENA Boys' Swimming Boxers - ARENA - Blue Yellow

(6)
£14.99
Last chance
NABAIJI Boys swimsuit boxers 100 Kiblet Smile green without buckle

NABAIJI Boys swimsuit boxers 100 Kiblet Smile green without buckle

(109)
£9.99
£11.9916% off
Last chance
NABAIJI Swimming trunks 900 briefs all ice blue orange

NABAIJI Swimming trunks 900 briefs all ice blue orange

(63)
5 colours
£13.99
SPEEDO Boys' Hyper Boom Logo Splice Jammer Navy

SPEEDO Boys' Hyper Boom Logo Splice Jammer Navy

£19.99
Last chance
NABAIJI SWIMMING TRUNKS SQUARE-CUT BRIEFS 900 LINES BLUE

NABAIJI SWIMMING TRUNKS SQUARE-CUT BRIEFS 900 LINES BLUE

(63)
5 colours
£9.99
£13.9928% off
Last chance
NABAIJI SQUARE-CUT BRIEFS 900 ALL CELO ORANGE

NABAIJI SQUARE-CUT BRIEFS 900 ALL CELO ORANGE

(63)
5 colours
£13.99
Last chance
NABAIJI Swimming trunks square-cut briefs 900 koli green

NABAIJI Swimming trunks square-cut briefs 900 koli green

(63)
5 colours
£6.99
£13.9950% off
Second life
NABAIJI Second Life - BOYS' SWIMMING BOXER BASIC 100 - BLUE - EXCELLENT

NABAIJI Second Life - BOYS' SWIMMING BOXER BASIC 100 - BLUE - EXCELLENT

£5.00
NABAIJI Boys’ Swimming Boxers - Fitib - Blue Black Shark

NABAIJI Boys’ Swimming Boxers - Fitib - Blue Black Shark

(3561)
13 colours
£4.99
£10.9954% off
4.7/5 based on 57254 reviews collected online and in stores

Boys Swimming Trunks

Our boys' swimming trunks are designed for comfort and style. They come in a variety of sizes and patterns, catering to different preferences and ensuring a good fit for all young swimmers.

For more, check out our swim briefsandswim bags.

A Snug Fit

Decathlon's boys' swimming trunks feature an adjustable drawstring for a precise fit, ensuring ease of movement in and out of the water. Many of the selections are also highly resistant to chlorinated water, making them ideal for pool visits.

We cover swimming trunks for boys from the ages of 7 to 13, featuring brands such as Nabaiju, Adidas, Arena, Speedo and more, fitted with water repellency for a quick drying period while staying light on your feet.

Looking to complete your swimming pool essentials list? Get your pool shoesandswimming towels here.