8.13.1 Boys' Underwear | Next Japan
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Boys' Underwear

 (359)

Restock your boys' underwear stash with some fresh new styles and shapes, including waistband trunks, camouflage boxers, and short-sleeve vests. Our range of briefs is made from breathable cotton with a comfy stretch, so you can be confident he's comfortable all day long. Choose brightly coloured favourite character prints to grown-up plains in muted palettes for a classic feel. Available in convenient multipacks across the range, with thermal options perfect for layering under school uniforms, casual wear, or sports gear. Explore the selection to keep him ready for any activity with enthusiasm and ease.

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Multi - Character Kids Paw Patrol Pack 100% Cotton Briefs 5 Packs

Character Multi Kids Paw Patrol pack 100% Cotton Briefs 5 Packs

¥ 4,350

¥ 4,350

White - 100% Cotton Short Sleeve Vests 3 Pack (1.5-16yrs)
White 100% Cotton Short Sleeve Vests 3 Pack (1.5-16yrs)
Grey 100% Cotton Short Sleeve Vests 3 Pack (1.5-16yrs)
Black 100% Cotton Short Sleeve Vests 3 Pack (1.5-16yrs)

White 100% Cotton Short Sleeve Vests 3 Pack (1.5-16yrs)

¥ 2,035 - ¥ 2,849

¥ 2,035 - ¥ 2,849

  • White 100% Cotton Short Sleeve Vests 3 Pack (1.5-16yrs)
  • Grey 100% Cotton Short Sleeve Vests 3 Pack (1.5-16yrs)
  • Black 100% Cotton Short Sleeve Vests 3 Pack (1.5-16yrs)
White - Vests 5 Pack (1.5-16yrs)
White Vests 5 Pack (1.5-16yrs)
Grey Vests 5 Pack (1.5-16yrs)
Blue Vests 5 Pack (1.5-16yrs)
Tonal Blue Vests 5 Pack (1.5-16yrs)
Neutral Vests 5 Pack (1.5-16yrs)
Multicolour Vests 5 Pack (1.5-16yrs)
Black Vests 5 Pack (1.5-16yrs)
Warm Terracotta Vests 5 Pack (1.5-16yrs)
Charcoal Grey Vests 5 Pack (1.5-16yrs)
Blue/White Stripe Vests 5 Pack (1.5-16yrs)

White Vests 5 Pack (1.5-16yrs)

¥ 2,137 - ¥ 3,053

¥ 2,137 - ¥ 3,053

  • White Vests 5 Pack (1.5-16yrs)
  • Grey Vests 5 Pack (1.5-16yrs)
  • Blue Vests 5 Pack (1.5-16yrs)
  • Tonal Blue Vests 5 Pack (1.5-16yrs)
  • Neutral Vests 5 Pack (1.5-16yrs)
  • Multicolour Vests 5 Pack (1.5-16yrs)
  • Black Vests 5 Pack (1.5-16yrs)
  • Warm Terracotta Vests 5 Pack (1.5-16yrs)
  • Charcoal Grey Vests 5 Pack (1.5-16yrs)
  • Blue/White Stripe Vests 5 Pack (1.5-16yrs)
Blue/Teal - Thermal Long Sleeve Tops 2 Pack (2-16yrs)
Blue/Teal Thermal Long Sleeve Tops 2 Pack (2-16yrs)
Black/Charcoal Thermal Long Sleeve Tops 2 Pack (2-16yrs)
Blue/Navy Thermal Long Sleeve Tops 2 Pack (2-16yrs)
White Thermal Long Sleeve Tops 2 Pack (2-16yrs)
Grey/White Thermal Long Sleeve Tops 2 Pack (2-16yrs)
Neutral Thermal Long Sleeve Tops 2 Pack (2-16yrs)

Blue/Teal Thermal Long Sleeve Tops 2 Pack (2-16yrs)

¥ 3,053 - ¥ 4,274

¥ 3,053 - ¥ 4,274

  • Blue/Teal Thermal Long Sleeve Tops 2 Pack (2-16yrs)
  • Black/Charcoal Thermal Long Sleeve Tops 2 Pack (2-16yrs)
  • Blue/Navy Thermal Long Sleeve Tops 2 Pack (2-16yrs)
  • White Thermal Long Sleeve Tops 2 Pack (2-16yrs)
  • Grey/White Thermal Long Sleeve Tops 2 Pack (2-16yrs)
  • Neutral Thermal Long Sleeve Tops 2 Pack (2-16yrs)
Multi - Pokemon Trunks 3 Pack (5-12yrs)

Multi Pokemon Trunks 3 Pack (5-12yrs)

¥ 2,646 - ¥ 3,053

¥ 2,646 - ¥ 3,053

Mini Safari Print - Cotton Vests 5 Pack (1.5-8yrs)
Mini Safari Print Cotton Vests 5 Pack (1.5-8yrs)
Bright Animal Print Cotton Vests 5 Pack (1.5-8yrs)
Multi Dino Cotton Vests 5 Pack (1.5-8yrs)
Multi Character Cotton Vests 5 Pack (1.5-8yrs)
Blue/Navy Space Print Cotton Vests 5 Pack (1.5-8yrs)

Mini Safari Print Cotton Vests 5 Pack (1.5-8yrs)

¥ 2,646 - ¥ 3,053

¥ 2,646 - ¥ 3,053

  • Mini Safari Print Cotton Vests 5 Pack (1.5-8yrs)
  • Bright Animal Print Cotton Vests 5 Pack (1.5-8yrs)
  • Multi Dino Cotton Vests 5 Pack (1.5-8yrs)
  • Multi Character Cotton Vests 5 Pack (1.5-8yrs)
  • Blue/Navy Space Print Cotton Vests 5 Pack (1.5-8yrs)
Neutral - Vests 5 Pack (1.5-16yrs)
Neutral Vests 5 Pack (1.5-16yrs)
White Vests 5 Pack (1.5-16yrs)
Grey Vests 5 Pack (1.5-16yrs)
Blue Vests 5 Pack (1.5-16yrs)
Tonal Blue Vests 5 Pack (1.5-16yrs)
Multicolour Vests 5 Pack (1.5-16yrs)
Black Vests 5 Pack (1.5-16yrs)
Warm Terracotta Vests 5 Pack (1.5-16yrs)
Charcoal Grey Vests 5 Pack (1.5-16yrs)
Blue/White Stripe Vests 5 Pack (1.5-16yrs)

Neutral Vests 5 Pack (1.5-16yrs)

¥ 2,341 - ¥ 3,256

¥ 2,341 - ¥ 3,256

  • Neutral Vests 5 Pack (1.5-16yrs)
  • White Vests 5 Pack (1.5-16yrs)
  • Grey Vests 5 Pack (1.5-16yrs)
  • Blue Vests 5 Pack (1.5-16yrs)
  • Tonal Blue Vests 5 Pack (1.5-16yrs)
  • Multicolour Vests 5 Pack (1.5-16yrs)
  • Black Vests 5 Pack (1.5-16yrs)
  • Warm Terracotta Vests 5 Pack (1.5-16yrs)
  • Charcoal Grey Vests 5 Pack (1.5-16yrs)
  • Blue/White Stripe Vests 5 Pack (1.5-16yrs)
Blue/Grey - Trunks 10 Pack (1.5-16yrs)
Blue/Grey Trunks 10 Pack (1.5-16yrs)
Black Trunks 10 Pack (1.5-16yrs)
Black with colour 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)
Monochrome Trunks 10 Pack (1.5-16yrs)
Bright Plain Trunks 10 Pack (1.5-16yrs)
White Trunks 10 Pack (1.5-16yrs)
Blue with Double Stripe Waistband Trunks 10 Pack (1.5-16yrs)
Blue/Green/Grey Trunks 10 Pack (1.5-16yrs)

Blue/Grey Trunks 10 Pack (1.5-16yrs)

¥ 5,495 - ¥ 6,513

¥ 5,495 - ¥ 6,513

  • Blue/Grey Trunks 10 Pack (1.5-16yrs)
  • Black Trunks 10 Pack (1.5-16yrs)
  • Black with colour 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)
  • Monochrome Trunks 10 Pack (1.5-16yrs)
  • Bright Plain Trunks 10 Pack (1.5-16yrs)
  • White Trunks 10 Pack (1.5-16yrs)
  • Blue with Double Stripe Waistband Trunks 10 Pack (1.5-16yrs)
  • Blue/Green/Grey Trunks 10 Pack (1.5-16yrs)
Multi Mineral - Baker By Ted Baker Boxers 5 Pack
Multi Mineral Baker By Ted Baker Boxers 5 Pack
Blue Multi Baker By Ted Baker Boxers 5 Pack
Multi Baker By Ted Baker Boxers 5 Pack
Black/Multi Baker By Ted Baker Boxers 5 Pack
Multi/Blue Baker By Ted Baker Boxers 5 Pack
Grey Baker By Ted Baker Boxers 5 Pack
Blue Print Baker By Ted Baker Boxers 5 Pack
Black/Blue Baker By Ted Baker Boxers 5 Pack
Multi/Burgundy Baker By Ted Baker Boxers 5 Pack
Blue/Navy Baker By Ted Baker Boxers 5 Pack
White/Blue Baker By Ted Baker Boxers 5 Pack

Baker by Ted Baker Multi Mineral Boxers 5 Pack

¥ 4,308 - ¥ 4,954

¥ 4,308 - ¥ 4,954

  • Multi Mineral Baker By Ted Baker Boxers 5 Pack
  • Blue Multi Baker By Ted Baker Boxers 5 Pack
  • Multi Baker By Ted Baker Boxers 5 Pack
  • Black/Multi Baker By Ted Baker Boxers 5 Pack
  • Multi/Blue Baker By Ted Baker Boxers 5 Pack
  • Grey Baker By Ted Baker Boxers 5 Pack
  • Blue Print Baker By Ted Baker Boxers 5 Pack
  • Black/Blue Baker By Ted Baker Boxers 5 Pack
  • Multi/Burgundy Baker By Ted Baker Boxers 5 Pack
  • Blue/Navy Baker By Ted Baker Boxers 5 Pack
  • White/Blue Baker By Ted Baker Boxers 5 Pack
Black - Vests 5 Pack (1.5-16yrs)
Black Vests 5 Pack (1.5-16yrs)
White Vests 5 Pack (1.5-16yrs)
Grey Vests 5 Pack (1.5-16yrs)
Blue Vests 5 Pack (1.5-16yrs)
Tonal Blue Vests 5 Pack (1.5-16yrs)
Neutral Vests 5 Pack (1.5-16yrs)
Multicolour Vests 5 Pack (1.5-16yrs)
Warm Terracotta Vests 5 Pack (1.5-16yrs)
Charcoal Grey Vests 5 Pack (1.5-16yrs)
Blue/White Stripe Vests 5 Pack (1.5-16yrs)

Black Vests 5 Pack (1.5-16yrs)

¥ 2,341 - ¥ 3,256

¥ 2,341 - ¥ 3,256

  • Black Vests 5 Pack (1.5-16yrs)
  • White Vests 5 Pack (1.5-16yrs)
  • Grey Vests 5 Pack (1.5-16yrs)
  • Blue Vests 5 Pack (1.5-16yrs)
  • Tonal Blue Vests 5 Pack (1.5-16yrs)
  • Neutral Vests 5 Pack (1.5-16yrs)
  • Multicolour Vests 5 Pack (1.5-16yrs)
  • Warm Terracotta Vests 5 Pack (1.5-16yrs)
  • Charcoal Grey Vests 5 Pack (1.5-16yrs)
  • Blue/White Stripe Vests 5 Pack (1.5-16yrs)