PLEASE UPDATE YOUR BROWSER OR CHOOSE AN ALTERNATIVE

We have updated our website for a faster experience. To benefit please update your browser or choose an alternative.

Skip to content
HelpFind a store

Free delivery when you spend £60
Free returns for online orders
Free store collection

Kids’ Underwear

There are 148 Items found

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

5pk Pure Cotton Vests (2-14 Yrs)

£1.90 per item

7pk Cotton with Stretch Shorts (5-16 Yrs)
£9.50
M&S Collection

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

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

5pk Cotton Rich Coloured Waistband Trunks (5-16 Yrs)

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

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

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

5pk Cotton Rich Plain Trunks (2-16 Yrs)

7pk Cotton with Stretch Shorts (5-16 Yrs)
£9.50
M&S Collection

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

10pk Cotton With Stretch Trunks (5–16 Yrs)
£19.50 - £20.50
M&S Collection

10pk Cotton With Stretch Trunks (5–16 Yrs)

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

5pc Cotton Rich Trunks (5-16 Yrs)

10pk Cotton Rich Heart Knickers (2-14 Yrs)
£9.50
M&S Collection

10pk Cotton Rich Heart Knickers (2-14 Yrs)

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

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

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

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

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

10pk Pure Cotton Briefs (2-14 Yrs)

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

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

From £2.30 per item

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

5pk Pure Cotton Heart & Plain Vests (2-14 Yrs)

£1.90 per item

3pk Cotton Rich Crop Tops (6-16 Yrs)
£7
M&S Collection

3pk Cotton Rich Crop Tops (6-16 Yrs)

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

5pk Pure Cotton Vests (2-14 Yrs)

£1.90 per item

5pk Cotton Rich Crop Tops (6-16 Yrs)
£8
M&S Collection

5pk Cotton Rich Crop Tops (6-16 Yrs)

7pk Pure Cotton Unicorn Knickers (2-12 Yrs)
£9.50
M&S Collection

7pk Pure Cotton Unicorn Knickers (2-12 Yrs)

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

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

7pk Pure Cotton Flower Fairies Knickers (18 Mths-12 Yrs)
£9.50
M&S Collection

7pk Pure Cotton Flower Fairies Knickers (18 Mths-12 Yrs)

From £1.36 per item

7pk Cotton Rich Stars Shorts (5-16 Yrs)
£10.50 - £11.50
M&S Collection

7pk Cotton Rich Stars Shorts (5-16 Yrs)

10pk Cotton Rich Knickers (2-14 Yrs)
£9.50
M&S Collection

10pk Cotton Rich Knickers (2-14 Yrs)

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

10pk Pure Cotton Briefs (2-14 Yrs)

5pk Cotton Rich Plain Trunks (5-16 Yrs)
£8.50
M&S Collection

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

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

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

£2.38 per item

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

5pk Pure Cotton Vests (2-14 Yrs)

£1.90 per item

5pk Pure Cotton Spider-Man™ Briefs (2-8 Yrs)
£9.50 - £10.50
M&S Collection

5pk Pure Cotton Spider-Man™ Briefs (2-8 Yrs)

7pk Cotton Rich Bright Trunks (5-16 Yrs)
£14.50 - £15.50
M&S Collection

7pk Cotton Rich Bright Trunks (5-16 Yrs)

5pk Cotton Rich Crop Tops (6-16 Yrs)
£8
M&S Collection

5pk Cotton Rich Crop Tops (6-16 Yrs)

From £1.2 per item

3pk Cotton Rich Racer Crop Tops (6-16 Yrs)
£7
M&S Collection

3pk Cotton Rich Racer Crop Tops (6-16 Yrs)

7pk Pure Cotton Animal Briefs (2-8 Years)
£9.50
M&S Collection

7pk Pure Cotton Animal Briefs (2-8 Years)

5pk Cotton-Rich Rainbow Crop Tops (6-16 Yrs)
£10
M&S Collection

5pk Cotton-Rich Rainbow Crop Tops (6-16 Yrs)

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

2pk Heatgen™ Thermal Vests (2-14 Yrs)

From £6 per item

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

5pk Cotton Rich Trunks (5-16 Yrs)

7pk Pure Cotton Animal Knickers (2-12 Yrs)
£9.50
M&S Collection

7pk Pure Cotton Animal Knickers (2-12 Yrs)

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

10pk Pure Cotton Briefs (2-14 Yrs)

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

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

From £5.50 per item

5pk Cotton With Stretch Checkerboard Trunks (5–16 Yrs)
£11.50 - £12.50
M&S Collection

5pk Cotton With Stretch Checkerboard Trunks (5–16 Yrs)

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

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

From £6 per item

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

2pk Heatgen™ Thermal Sleeveless Vests (2-14 Yrs)

From £5 per item

7pk Pure Cotton Transport Briefs (2-8 Years)
£9.50
M&S Collection

7pk Pure Cotton Transport Briefs (2-8 Years)

3pk Cotton Rich Crop Tops (6-16 Yrs)
£7
M&S Collection

3pk Cotton Rich Crop Tops (6-16 Yrs)

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

5pk Pure Cotton Stars & Plain Vests (2-14 Yrs)

£1.90 per item

7pk Cotton Rich Slogan Shorts (5–16 Yrs)
£10.50 - £11.50
M&S Collection

7pk Cotton Rich Slogan Shorts (5–16 Yrs)

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

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

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

2pk Heatgen™ Thermal Vests (2-14 Yrs)

From £6 per item

7pk Pure Cotton Sea Life Briefs (18 Mths-7 Yrs)
£9.50
M&S Collection

7pk Pure Cotton Sea Life Briefs (18 Mths-7 Yrs)

From £1.36 per item

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

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

£3.33 per item

Page 1 of 4