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Boys' Underwear

Our collection of boys’ underwear includes all the essentials needed for a new term. Alongside briefs, trunks and vests, you’ll find socks in uniform-friendly colours such as grey, black and navy. We’ve got everyday ankle-length pairs as well as PE-ready choices with cushioned soles. Make sure they’re kitted out from weekdays to weekends with one of our handy multi-packs

3 FOR 2

on selected boys' clothing

  • Product Type with 5 options
  • Kids Sizes with 19 options
  • Colour with 7 options
  • Multipack with 7 options

There are 65 Items found

  • 5pk Cotton Rich Trunks (2-16 Yrs) image 1
  • 5pk Cotton Rich Trunks (2-16 Yrs) image 2
£9.50
M&S Collection

5pk Cotton Rich Trunks (2-16 Yrs)

£1.90 per item

2pk Heatgen™ Thermal Vests (2-14 Yrs) image 1
£12 - £13
M&S Collection

2pk Heatgen™ Thermal Vests (2-14 Yrs)

From £6 per item

2pk Heatgen™ Thermal Vests (2-14 Yrs) image 1
£12 - £13
M&S Collection

2pk Heatgen™ Thermal Vests (2-14 Yrs)

From £6 per item

5pk Pure Cotton Vests (2-14 Yrs) image 1
£9.50
M&S Collection

5pk Pure Cotton Vests (2-14 Yrs)

£1.90 per item

3pk Cotton Rich with Lycra® Trunks (6-16 Yrs) image 1
£10
M&S Collection

3pk Cotton Rich with Lycra® Trunks (6-16 Yrs)

£3.33 per item

5pk Cotton Rich Camo Trunks (5 - 16 Yrs) image 1
£11.50 - £12.50
M&S Collection

5pk Cotton Rich Camo Trunks (5 - 16 Yrs)

From £2.30 per item

2pk Boys' Heatgen™ Thermal Vests (2-16 Yrs) image 1
£11 - £12
M&S Collection

2pk Boys' Heatgen™ Thermal Vests (2-16 Yrs)

Everyday warmth

3pk Pure Cotton Long Sleeve Vests (2-14 Yrs) image 1
£9.50
M&S Collection

3pk Pure Cotton Long Sleeve Vests (2-14 Yrs)

£3.17 per item

5pk Cotton Rich Football Trunks (5-12 Yrs) image 1
£11.50 - £12.50
M&S Collection

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

2pk Heatgen™ Thermal Vests (2-14 Yrs) image 1
£10 - £11
M&S Collection

2pk Heatgen™ Thermal Vests (2-14 Yrs)

From £5 per item

For little (and not-so little) ones

Shop boys’ new in
Content card For little (and not-so little) ones 31st jan 2024
  • 5pk Pure Cotton Marvel™ Briefs (2-10 Yrs) image 1
  • 5pk Pure Cotton Marvel™ Briefs (2-10 Yrs) image 2
£9.50 - £10.50
M&S Collection

5pk Pure Cotton Marvel™ Briefs (2-10 Yrs)

From £1.90 per item

4pk Pure Cotton Short Sleeve Vests (2-14 Yrs) image 1
£9.50
M&S Collection

4pk Pure Cotton Short Sleeve Vests (2-14 Yrs)

£2.38 per item

2pk Heatgen™ Thermal Short Sleeve Vests (2-14 Yrs) image 1
£11 - £12
M&S Collection

2pk Heatgen™ Thermal Short Sleeve Vests (2-14 Yrs)

From £5.50 per item

7pk Pure Cotton Animal Briefs (2-10 Yrs) image 1
£9.50
M&S Collection

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

From £1.35 per item

5pk Cotton Rich Trunks (5-16 Yrs) image 1
£11.50 - £12.50
M&S Collection

5pk Cotton Rich Trunks (5-16 Yrs)

From £2.30 per item

5pk Cotton Rich Shark Trunks (3-16 Yrs) image 1
£11.50 - £12.50
M&S Collection

5pk Cotton Rich Shark Trunks (3-16 Yrs)

From £2.30 per item

Heatgen™ Thermal Long Johns (2-14 Yrs) image 1
£8 - £9
M&S Collection

Heatgen™ Thermal Long Johns (2-14 Yrs)

£9 per item

  • Heatgen™ Thermal The Mandalorian™ Set (4-14 Yrs) image 1
  • Heatgen™ Thermal The Mandalorian™ Set (4-14 Yrs) image 2
£15 - £17
M&S Collection

Heatgen™ Thermal The Mandalorian™ Set (4-14 Yrs)

Kidswear that won't break the bank

Read more
Content card Kidswear that won't break the bank 5th Jan 2023
  • 5pk Cotton Rich Trunks (5-16 Yrs) image 1
  • 5pk Cotton Rich Trunks (5-16 Yrs) image 2
£9.50
M&S Collection

5pk Cotton Rich Trunks (5-16 Yrs)

£1.90 per item

  • 5pk Cotton with Stretch Dinosaur Trunks (5-12 Yrs) image 1
  • 5pk Cotton with Stretch Dinosaur Trunks (5-12 Yrs) image 2
£11.50 - £12.50
M&S Collection

5pk Cotton with Stretch Dinosaur Trunks (5-12 Yrs)

2pk Heatgen™ Thermal Marble Print Tops (2-14 Yrs) image 1
£13 - £14
M&S Collection

2pk Heatgen™ Thermal Marble Print Tops (2-14 Yrs)

7pk Pure Cotton Striped Star Briefs (2-8 Yrs) image 1
£9.50
M&S Collection

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

10pk Pure Cotton Briefs (2-14 Yrs) image 1
£9.50
M&S Collection

10pk Pure Cotton Briefs (2-14 Yrs)

£0.95 per item

2pk Heatgen™ Thermal Vests (2-14 Yrs) image 1
£10 - £11
M&S Collection

2pk Heatgen™ Thermal Vests (2-14 Yrs)

Everyday warmth

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