7.0.0-beta-20251229 Boys' Underwear | Next Official Site
Store Locator
Help
  • women
  • men
  • boys
  • girls
  • home
  • baby
  • beauty
  • furniture
  • brands
  • luxury brands
  • gifts & flowers
  • sports
  • sale

Boys' Underwear

 (270)
Expand read more

Restock their underwear stash with some fresh new styles and shapes. From brightly coloured mood boosting prints to grown-up plains in muted palettes. Our range of boys' underwear is made from BCI cotton with a comfy dose of stretch, so you can be confident he's comfortable all day long. Our boys' briefs and tops are available in multipacks across the range, with thermal options available for those chilly days.

Trunks & Boxers

Trunks & Boxers

Briefs

Briefs

Vests

Vests

Thermals

Thermals

Base Layers

Base Layers

Kind to Skin

Kind to Skin

Clear All Filters

White Vests 5 Pack (1.5-16yrs) (N59402) | £10.50 - £15
Black Vests 5 Pack (1.5-16yrs) (AA1079) | £11.50 - £16
White Vests 5 Pack (1.5-16yrs)
Black Vests 5 Pack (1.5-16yrs)
Blue Vests 5 Pack (1.5-16yrs)
Grey Vests 5 Pack (1.5-16yrs)
Multicolour Vests 5 Pack (1.5-16yrs)
Neutral Vests 5 Pack (1.5-16yrs)
Tonal Blue Vests 5 Pack (1.5-16yrs)

White Vests 5 Pack (1.5-16yrs)

£10.50 - £15

£10.50 - £15

  • White Vests 5 Pack (1.5-16yrs)
  • Black Vests 5 Pack (1.5-16yrs)
  • Blue Vests 5 Pack (1.5-16yrs)
  • Grey Vests 5 Pack (1.5-16yrs)
  • Multicolour Vests 5 Pack (1.5-16yrs)
  • Neutral Vests 5 Pack (1.5-16yrs)
  • Tonal Blue Vests 5 Pack (1.5-16yrs)
Black Trunks 10 Pack (1.5-16yrs) (AA9663) | £27 - £32
Black with Bright Waistband Trunks 10 Pack (1.5-16yrs) (E98851) | £27 - £32
Black Trunks 10 Pack (1.5-16yrs)
Black with Bright Waistband Trunks 10 Pack (1.5-16yrs)
Black With Colour Waistband Trunks 10 Pack (1.5-16yrs)
Black with Gold Waistband Trunks 10 Pack (1.5-16yrs)
Black with Grafitti Next Waistband Trunks 10 Pack (1.5-16yrs)
Black with Grey Waistband Trunks 10 Pack (1.5-16yrs)
Black with Varsity Waistband Trunks 10 Pack (1.5-16yrs)
Blue/Grey Trunks 10 Pack (1.5-16yrs)
Bright Plain Trunks 10 Pack (1.5-16yrs)
Monochrome Trunks 10 Pack (1.5-16yrs)
White Trunks 10 Pack (1.5-16yrs)

Black Trunks 10 Pack (1.5-16yrs)

£27 - £32

£27 - £32

  • Black Trunks 10 Pack (1.5-16yrs)
  • Black with Bright Waistband Trunks 10 Pack (1.5-16yrs)
  • Black With Colour Waistband Trunks 10 Pack (1.5-16yrs)
  • Black with Gold Waistband Trunks 10 Pack (1.5-16yrs)
  • Black with Grafitti Next Waistband Trunks 10 Pack (1.5-16yrs)
  • Black with Grey Waistband Trunks 10 Pack (1.5-16yrs)
  • Black with Varsity Waistband Trunks 10 Pack (1.5-16yrs)
  • Blue/Grey Trunks 10 Pack (1.5-16yrs)
  • Bright Plain Trunks 10 Pack (1.5-16yrs)
  • Monochrome Trunks 10 Pack (1.5-16yrs)
  • White Trunks 10 Pack (1.5-16yrs)
Bright Plain Trunks 10 Pack (1.5-16yrs) (E98852) | £27 - £32
Black Trunks 10 Pack (1.5-16yrs) (AA9663) | £27 - £32
Bright Plain Trunks 10 Pack (1.5-16yrs)
Black Trunks 10 Pack (1.5-16yrs)
Black with Bright Waistband Trunks 10 Pack (1.5-16yrs)
Black With Colour Waistband Trunks 10 Pack (1.5-16yrs)
Black with Gold Waistband Trunks 10 Pack (1.5-16yrs)
Black with Grafitti Next Waistband Trunks 10 Pack (1.5-16yrs)
Black with Grey Waistband Trunks 10 Pack (1.5-16yrs)
Black with Varsity Waistband Trunks 10 Pack (1.5-16yrs)
Blue/Grey Trunks 10 Pack (1.5-16yrs)
Monochrome Trunks 10 Pack (1.5-16yrs)
White Trunks 10 Pack (1.5-16yrs)

Bright Plain Trunks 10 Pack (1.5-16yrs)

£27 - £32

£27 - £32

  • Bright Plain Trunks 10 Pack (1.5-16yrs)
  • Black Trunks 10 Pack (1.5-16yrs)
  • Black with Bright Waistband Trunks 10 Pack (1.5-16yrs)
  • Black With Colour Waistband Trunks 10 Pack (1.5-16yrs)
  • Black with Gold Waistband Trunks 10 Pack (1.5-16yrs)
  • Black with Grafitti Next Waistband Trunks 10 Pack (1.5-16yrs)
  • Black with Grey Waistband Trunks 10 Pack (1.5-16yrs)
  • Black with Varsity Waistband Trunks 10 Pack (1.5-16yrs)
  • Blue/Grey Trunks 10 Pack (1.5-16yrs)
  • Monochrome Trunks 10 Pack (1.5-16yrs)
  • White Trunks 10 Pack (1.5-16yrs)
Black with Grey Waistband Trunks 10 Pack (1.5-16yrs) (AA9673) | £27 - £32
Black Trunks 10 Pack (1.5-16yrs) (AA9663) | £27 - £32
Black with Grey Waistband Trunks 10 Pack (1.5-16yrs)
Black Trunks 10 Pack (1.5-16yrs)
Black with Bright Waistband Trunks 10 Pack (1.5-16yrs)
Black With Colour Waistband Trunks 10 Pack (1.5-16yrs)
Black with Gold Waistband Trunks 10 Pack (1.5-16yrs)
Black with Grafitti Next Waistband Trunks 10 Pack (1.5-16yrs)
Black with Varsity Waistband Trunks 10 Pack (1.5-16yrs)
Blue/Grey Trunks 10 Pack (1.5-16yrs)
Bright Plain Trunks 10 Pack (1.5-16yrs)
Monochrome Trunks 10 Pack (1.5-16yrs)
White Trunks 10 Pack (1.5-16yrs)

Black with Grey Waistband Trunks 10 Pack (1.5-16yrs)

£27 - £32

£27 - £32

  • Black with Grey Waistband Trunks 10 Pack (1.5-16yrs)
  • Black Trunks 10 Pack (1.5-16yrs)
  • Black with Bright Waistband Trunks 10 Pack (1.5-16yrs)
  • Black With Colour Waistband Trunks 10 Pack (1.5-16yrs)
  • Black with Gold Waistband Trunks 10 Pack (1.5-16yrs)
  • Black with Grafitti Next Waistband Trunks 10 Pack (1.5-16yrs)
  • Black with Varsity Waistband Trunks 10 Pack (1.5-16yrs)
  • Blue/Grey Trunks 10 Pack (1.5-16yrs)
  • Bright Plain Trunks 10 Pack (1.5-16yrs)
  • Monochrome Trunks 10 Pack (1.5-16yrs)
  • White Trunks 10 Pack (1.5-16yrs)
White Cotton Vests 10 Pack (1.5-16yrs) (N59403) | £20 - £27
Tonal Blue Cotton Vests 10 Pack (1.5-16yrs) (AA1098) | £20 - £27
White Cotton Vests 10 Pack (1.5-16yrs)
Tonal Blue Cotton Vests 10 Pack (1.5-16yrs)

White Cotton Vests 10 Pack (1.5-16yrs)

£20 - £27

£20 - £27

  • White Cotton Vests 10 Pack (1.5-16yrs)
  • Tonal Blue Cotton Vests 10 Pack (1.5-16yrs)
Black with Grey Waistband Trunks 5 Pack (1.5-16yrs) (AA9664) | £14 - £19
Black Waistband Trunks 5 Pack (1.5-16yrs) (AA9675) | £14 - £19
Black with Grey Waistband Trunks 5 Pack (1.5-16yrs)
Black Waistband Trunks 5 Pack (1.5-16yrs)
Black With Colour Waistband Trunks 5 Pack (1.5-16yrs)
Black with Gold Waistband Trunks 5 Pack (1.5-16yrs)
Black with Grafitti Next Waistband Trunks 5 Pack (1.5-16yrs)
Black with scandi waistband Trunks 5 Pack (1.5-16yrs)
Black with Varsity Waistband Trunks 5 Pack (1.5-16yrs)
Blue/Grey Trunks 5 Pack (1.5-16yrs)
Bright Plain Trunks 5 Pack (1.5-16yrs)
Monochrome Trunks 5 Pack (1.5-16yrs)
Tonal Blue Trunks 5 Pack (1.5-16yrs)
White Trunks 5 Pack (1.5-16yrs)

Black with Grey Waistband Trunks 5 Pack (1.5-16yrs)

£14 - £19

£14 - £19

  • Black with Grey Waistband Trunks 5 Pack (1.5-16yrs)
  • Black Waistband Trunks 5 Pack (1.5-16yrs)
  • Black With Colour Waistband Trunks 5 Pack (1.5-16yrs)
  • Black with Gold Waistband Trunks 5 Pack (1.5-16yrs)
  • Black with Grafitti Next Waistband Trunks 5 Pack (1.5-16yrs)
  • Black with scandi waistband Trunks 5 Pack (1.5-16yrs)
  • Black with Varsity Waistband Trunks 5 Pack (1.5-16yrs)
  • Blue/Grey Trunks 5 Pack (1.5-16yrs)
  • Bright Plain Trunks 5 Pack (1.5-16yrs)
  • Monochrome Trunks 5 Pack (1.5-16yrs)
  • Tonal Blue Trunks 5 Pack (1.5-16yrs)
  • White Trunks 5 Pack (1.5-16yrs)
Bright Primary Print Briefs 10 Pack (1.5-10yrs) (N34152) | £14 - £15
Blue Stars and Stripes Briefs 10 Pack (1.5-10yrs) (N34158) | £14 - £15
Bright Primary Print Briefs 10 Pack (1.5-10yrs)
Blue Stars and Stripes Briefs 10 Pack (1.5-10yrs)
Blue Transport Briefs 10 Pack (1.5-10yrs)
Safari Print Briefs 10 Pack (1.5-10yrs)

Bright Primary Print Briefs 10 Pack (1.5-10yrs)

£14 - £15

£14 - £15

  • Bright Primary Print Briefs 10 Pack (1.5-10yrs)
  • Blue Stars and Stripes Briefs 10 Pack (1.5-10yrs)
  • Blue Transport Briefs 10 Pack (1.5-10yrs)
  • Safari Print Briefs 10 Pack (1.5-10yrs)
Black with Varsity Waistband Trunks 10 Pack (1.5-16yrs) (AA9657) | £27 - £32
Black Trunks 10 Pack (1.5-16yrs) (AA9663) | £27 - £32
Black with Varsity Waistband Trunks 10 Pack (1.5-16yrs)
Black Trunks 10 Pack (1.5-16yrs)
Black with Bright Waistband Trunks 10 Pack (1.5-16yrs)
Black With Colour Waistband Trunks 10 Pack (1.5-16yrs)
Black with Gold Waistband Trunks 10 Pack (1.5-16yrs)
Black with Grafitti Next Waistband Trunks 10 Pack (1.5-16yrs)
Black with Grey Waistband Trunks 10 Pack (1.5-16yrs)
Blue/Grey Trunks 10 Pack (1.5-16yrs)
Bright Plain Trunks 10 Pack (1.5-16yrs)
Monochrome Trunks 10 Pack (1.5-16yrs)
White Trunks 10 Pack (1.5-16yrs)

Black with Varsity Waistband Trunks 10 Pack (1.5-16yrs)

£27 - £32

£27 - £32

  • Black with Varsity Waistband Trunks 10 Pack (1.5-16yrs)
  • Black Trunks 10 Pack (1.5-16yrs)
  • Black with Bright Waistband Trunks 10 Pack (1.5-16yrs)
  • Black With Colour Waistband Trunks 10 Pack (1.5-16yrs)
  • Black with Gold Waistband Trunks 10 Pack (1.5-16yrs)
  • Black with Grafitti Next Waistband Trunks 10 Pack (1.5-16yrs)
  • Black with Grey Waistband Trunks 10 Pack (1.5-16yrs)
  • Blue/Grey Trunks 10 Pack (1.5-16yrs)
  • Bright Plain Trunks 10 Pack (1.5-16yrs)
  • Monochrome Trunks 10 Pack (1.5-16yrs)
  • White Trunks 10 Pack (1.5-16yrs)
Black/Charcoal Thermal Leggings 2 Pack (2-16yrs) (Q55691) | £15 - £21
Blue/Navy Thermal Leggings 2 Pack (2-16yrs) (Q55692) | £15 - £21
Black/Charcoal Thermal Leggings 2 Pack (2-16yrs)
Blue/Navy Thermal Leggings 2 Pack (2-16yrs)
Blue/Teal Thermal Leggings 2 Pack (2-16yrs)
Grey/White Thermal Leggings 2 Pack (2-16yrs)
Neutral Thermal Leggings 2 Pack (2-16yrs)
White Thermal Leggings 2 Pack (2-16yrs)

Black/Charcoal Thermal Leggings 2 Pack (2-16yrs)

£15 - £21

£15 - £21

  • Black/Charcoal Thermal Leggings 2 Pack (2-16yrs)
  • Blue/Navy Thermal Leggings 2 Pack (2-16yrs)
  • Blue/Teal Thermal Leggings 2 Pack (2-16yrs)
  • Grey/White Thermal Leggings 2 Pack (2-16yrs)
  • Neutral Thermal Leggings 2 Pack (2-16yrs)
  • White Thermal Leggings 2 Pack (2-16yrs)
Black Waistband Trunks 5 Pack (1.5-16yrs) (AA9675) | £14 - £19
Black with colour waistband Trunks 5 Pack (1.5-16yrs) (E98840) | £14 - £19
Black Waistband Trunks 5 Pack (1.5-16yrs)
Black With Colour Waistband Trunks 5 Pack (1.5-16yrs)
Black with Gold Waistband Trunks 5 Pack (1.5-16yrs)
Black with Grafitti Next Waistband Trunks 5 Pack (1.5-16yrs)
Black with Grey Waistband Trunks 5 Pack (1.5-16yrs)
Black with scandi waistband Trunks 5 Pack (1.5-16yrs)
Black with Varsity Waistband Trunks 5 Pack (1.5-16yrs)
Blue/Grey Trunks 5 Pack (1.5-16yrs)
Bright Plain Trunks 5 Pack (1.5-16yrs)
Monochrome Trunks 5 Pack (1.5-16yrs)
Tonal Blue Trunks 5 Pack (1.5-16yrs)
White Trunks 5 Pack (1.5-16yrs)

Black Waistband Trunks 5 Pack (1.5-16yrs)

£14 - £19

£14 - £19

  • Black Waistband Trunks 5 Pack (1.5-16yrs)
  • Black With Colour Waistband Trunks 5 Pack (1.5-16yrs)
  • Black with Gold Waistband Trunks 5 Pack (1.5-16yrs)
  • Black with Grafitti Next Waistband Trunks 5 Pack (1.5-16yrs)
  • Black with Grey Waistband Trunks 5 Pack (1.5-16yrs)
  • Black with scandi waistband Trunks 5 Pack (1.5-16yrs)
  • Black with Varsity Waistband Trunks 5 Pack (1.5-16yrs)
  • Blue/Grey Trunks 5 Pack (1.5-16yrs)
  • Bright Plain Trunks 5 Pack (1.5-16yrs)
  • Monochrome Trunks 5 Pack (1.5-16yrs)
  • Tonal Blue Trunks 5 Pack (1.5-16yrs)
  • White Trunks 5 Pack (1.5-16yrs)