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Kids’ Underwear

From snug thermals to first bras for teens, our kids’ underwear collection has every need covered. Stock up with multi-packs of knickers or trunks containing a variety of colourful designs. White pure-cotton vests are handy for wearing under uniforms for that extra layer, while crop tops provide gentle support. Choose from neutrals or brighter shades, all with hassle-free returns

There are 140 Items found

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

5pk 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)

From £1.2 per item

3pk Cotton with Stretch Knickers (6-16 Yrs)
£8
M&S Collection

3pk Cotton with Stretch Knickers (6-16 Yrs)

5pk Pure Cotton Disney Princess™ Knickers (2-10 Yrs)
£9.50 - £10.50
M&S Collection

5pk Pure Cotton Disney Princess™ Knickers (2-10 Yrs)

From £2.10 per item

7pk Cotton Rich Fruit Print Knickers (2-12 Yrs)
New
£9.50
M&S Collection

7pk Cotton Rich Fruit Print Knickers (2-12 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 Animal Briefs (2-8 Years)
£9.50
M&S Collection

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

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

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

7pk Cotton with Stretch Ballerina Knickers (2-12 Yrs)
New
£9.50
M&S Collection

7pk Cotton with Stretch Ballerina Knickers (2-12 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

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

5pk Cotton Rich Trunks (5-16 Yrs)

7pk Cotton Rich Stripes & Hearts Knickers (2-12 Yrs)
New
£9.50
M&S Collection

7pk Cotton Rich Stripes & Hearts Knickers (2-12 Yrs)

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

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

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

£1.90 per item

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

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

3pk Cotton Rich Boxer Shorts (6-16 Yrs)
New
£8
M&S Collection

3pk Cotton Rich Boxer Shorts (6-16 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

3pk Cotton Rich Stars Boxer Shorts (5-16 Yrs)
New
£8
M&S Collection

3pk Cotton Rich Stars Boxer Shorts (5-16 Yrs)

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

7pk Cotton Rich Slogan Knickers (5–16 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

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

7pk Cotton Rich Stripe Waistband 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

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

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

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

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

5pk Pure Cotton Frozen™ Knickers (2-10 Yrs)
£9.50 - £10.50
M&S Collection

5pk Pure Cotton Frozen™ Knickers (2-10 Yrs)

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

10pk Pure Cotton Briefs (2-14 Yrs)

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

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

From £2.30 per item

3pk Cotton Rich Boxer Shorts (6-16 Yrs)
New
£8
M&S Collection

3pk Cotton Rich Boxer Shorts (6-16 Yrs)

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

Heatgen™ Thermal Long Johns (2-14 Yrs)

£9 per item

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

2pk Heatgen™ Thermal Vests (2-14 Yrs)

From £5 per item

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

10pk Pure Cotton Briefs (2-14 Yrs)

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

7pk Cotton With Stretch Patterned Shorts (5-16 Yrs)

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

10pk Pure Cotton Briefs (2-14 Years)
£8.50
M&S Collection

10pk Pure Cotton Briefs (2-14 Years)

3pk Cotton with Stretch Knickers (6-16 Yrs)
£8
M&S Collection

3pk Cotton with Stretch Knickers (6-16 Yrs)

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

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

5pk Cotton with Stretch Peppa Pig™ Knickers (2-8 Yrs)
New
£9.50
M&S Collection

5pk Cotton with Stretch Peppa Pig™ Knickers (2-8 Yrs)

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

5pk Cotton Rich Trunks (2-16 Yrs)

£1.90 per item

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

7pk Pure Cotton Space Briefs (2-8 Yrs)

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

5pk Cotton Rich Trunks (8-16 yrs)

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

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

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

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

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

7pk Cotton with Stretch Shorts (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 Bunny & Spotty Knickers (2-12 Yrs)
£9.50
M&S Collection

7pk Pure Cotton Bunny & Spotty Knickers (2-12 Yrs)

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

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

7pk Cotton with Stretch Heart Shorts (5-16 Yrs)
New
£10.50 - £11.50
M&S Collection

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

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