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Boys’ Blue Underwear

Introduce a splash of colour to their wardrobe with our collection of boys’ blue underwear. Shop for breathable cotton briefs and trunks made with added stretch for all-day comfort. Our quality staples come in handy five-packs and seven-packs to set you up for the week. Discover vibrant prints including cars and footballs, and choose free store collection for easy pick-up

(1 applied)
  • Blue
  • Product Type with 4 options
  • Kids Sizes with 18 options
  • Colour with 8 options
  • Multipack with 5 options
  • Blue

There are 15 Items found

5pk Cotton Rich Trunks (5-16 Yrs)
New
£11.50 - £12.50
M&S Collection

5pk Cotton Rich Trunks (5-16 Yrs)

5pc Cotton Rich Trunks (5-16 Yrs)
£9.50
M&S Collection

5pc Cotton Rich Trunks (5-16 Yrs)

5pk Cotton Rich Football Trunks (5-12 Yrs)
£11.50 - £12.50
M&S Collection

5pk Cotton Rich Football Trunks (5-12 Yrs)

5pk Pure Cotton Vests (2-14 Yrs)
£9.50
M&S Collection

5pk Pure Cotton Vests (2-14 Yrs)

£1.90 per item

10pk Pure Cotton Briefs (2-14 Yrs)
£9.50
M&S Collection

10pk Pure Cotton Briefs (2-14 Yrs)

7pk Pure Cotton Dinosaur Briefs (2-10 Yrs)
£9.50
M&S Collection

7pk Pure Cotton Dinosaur Briefs (2-10 Yrs)

10pk Pure Cotton Star Briefs (2-8 Yrs)
New
£11.50
M&S Collection

10pk Pure Cotton Star Briefs (2-8 Yrs)

5pk Cotton Rich Trunks (5-16 Yrs)
£9.50
M&S Collection

5pk Cotton Rich Trunks (5-16 Yrs)

£1.90 per item

2pk Heatgen™ Thermal Vests (2-14 Yrs)
£12 - £13
M&S Collection

2pk Heatgen™ Thermal Vests (2-14 Yrs)

From £6 per item

Wave Print Rash Vest (6-16 Yrs)
3 for 2
£12
M&S Collection

Wave Print Rash Vest (6-16 Yrs)

3pk Pure Cotton Dinosaur & Plain Vests (2-8 Yrs)
£9.50
M&S Collection

3pk Pure Cotton Dinosaur & Plain Vests (2-8 Yrs)

7pk Pure Cotton Striped Star Briefs (2-8 Yrs)
£9.50
M&S Collection

7pk Pure Cotton Striped Star Briefs (2-8 Yrs)

5pk Cotton Rich Trunks (5-16 Yrs)
£11.50 - £12.50
M&S Collection

5pk Cotton Rich Trunks (5-16 Yrs)

From £2.30 per item

5pk Cotton Rich Trunks (8-16 Yrs)
Online Only
£30
JACK & JONES JUNIOR

5pk Cotton Rich Trunks (8-16 Yrs)

Logo Swim Trunks (8-16 Yrs)
New
£15
JACK & JONES JUNIOR

Logo Swim Trunks (8-16 Yrs)