Skip to content
  • Gifts for the home watch & shop
  • Corporate gifts they’ll love to receive
  • 50% off Fragrance Society Gift Tin
HelpFind a store

Sign in

Sign in or create an account:

  • for faster checkout
  • to unlock personalised Sparks offers
  • to access order history and track deliveries
Free store collection
Free delivery when you spend £60
Extended Christmas returns

Sign in

Sign in or create an account:

  • for faster checkout
  • to unlock personalised Sparks offers
  • to access order history and track deliveries

Kids’ Black Underwear

Get the basics sorted for ages two up to 16 with our collection of kids’ black underwear. We’ve got knickers featuring pretty patterns, alongside boxers and briefs with cool prints. Browse lightweight first bralettes made from ultra-comfy fabrics, as well as long-sleeved thermals and winter vests for chilly weather. Sizing online is easy thanks to our hassle-free returns service

(1 applied)
  • Black
  • Gender with 3 options
  • Style with 7 options
  • Kids Sizes with 40 options
  • Colour with 12 options
  • Black

There are 27 Items found

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

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

Heatgen™ Thermal Leggings (2-14 Yrs)

From £4 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

  • 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 Non Wired First Bras AA-D image 1
  • 2pk Non Wired First Bras AA-D image 2
  • 2pk Non Wired First Bras AA-D image 3
£12
Angel

2pk Non Wired First Bras AA-D

£6 per Bra

5pk Cotton with Stretch Trunks (5-16 Yrs) image 1
£9.50
M&S Collection

5pk Cotton with Stretch Trunks (5-16 Yrs)

10pk Cotton Rich with Stretch Shorts (2-16 Yrs) image 1
£9.50
M&S Collection

10pk Cotton Rich with Stretch Shorts (2-16 Yrs)

£0.95 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

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

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

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

From £2.30 per item

  • 10pk Cotton Rich Shorts (2-16 Yrs) image 1
  • 10pk Cotton Rich Shorts (2-16 Yrs) image 2
£9.50
M&S Collection

10pk Cotton Rich Shorts (2-16 Yrs)

£0.95 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 with Stretch Trunks (5-16 Yrs) image 1
£9.50
M&S Collection

5pk Cotton with Stretch Trunks (5-16 Yrs)

£1.90 per item

  • 2pk Non-Wired Bralette First Bra AA-D image 1
  • 2pk Non-Wired Bralette First Bra AA-D image 2
  • 2pk Non-Wired Bralette First Bra AA-D image 3
  • 2pk Non-Wired Bralette First Bra AA-D image 4
£12
Angel

2pk Non-Wired Bralette First Bra AA-D

£6 per Bra

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

5pk Cotton with Stretch Checkerboard Trunks (5-16 Yrs)

  • 2pk Seamfree Cropped Tops (9-16 Yrs) image 1
  • 2pk Seamfree Cropped Tops (9-16 Yrs) image 2
£8
M&S Collection

2pk Seamfree Cropped Tops (9-16 Yrs)

£4 per item

7pk Cotton with Stretch Animal & Plain Shorts (5-16 Yrs) image 1
£10.50 - £11.50
M&S Collection

7pk Cotton with Stretch Animal & Plain Shorts (5-16 Yrs)

  • 2pk Seamfree Shorts (6-16 Yrs) image 1
  • 2pk Seamfree Shorts (6-16 Yrs) image 2
£6
M&S Collection

2pk Seamfree Shorts (6-16 Yrs)

£3 per item