After 121 years of making quality garments for the entire family, at Petit Bateau know that there’s nothing more important than underwear. We understand the importance of being comfortable, so our boy’s underwear only comes in the best fabrics, from soft cotton to Lycra jersey. From boy’s briefs and boxers to vests and T-shirts, we have a wide variety of different styles to keep your little boy relaxed, happy and ready for whatever the world has to throw at him. Take a look at the collection today.
Boy's star-print cotton T-shirt

from 

£10.50

Boy's star-print cotton T-shirt

Sizes available: 2Y - 3Y - 4Y - 5Y - 6Y - 8Y - 10Y - 12Y
Pack of 2 boy's plain/striped briefs

from 

£11.50

Pack of 2 boy's plain/striped briefs

Sizes available: 2Y - 3Y - 4Y - 5Y - 6Y - 8Y - 10Y - 12Y
Pack of 2 boy's plain/striped briefs

from 

£16.00

Pack of 2 boy's plain/striped briefs

Sizes available: 2Y - 3Y - 4Y - 5Y - 6Y - 8Y - 10Y - 12Y
Pack of 2 boy's plain cotton T-shirts
Available in 2 colours

from 

£18.00

Pack of 2 boy's plain cotton T-shirts

Sizes available: 2Y - 3Y - 4Y - 5Y - 6Y - 8Y - 10Y - 12Y
Pack of 2 boy's plain cotton vests

from 

£14.50

Pack of 2 boy's plain cotton vests

Sizes available: 2Y - 3Y - 4Y - 5Y - 6Y - 8Y - 10Y - 12Y
Pack of 3 boys' briefs in plain cotton
Available in 2 colours

from 

£14.50

Pack of 3 boys' briefs in plain cotton

Sizes available: 2Y - 3Y - 4Y - 5Y - 6Y - 8Y - 10Y - 12Y
Boy's long-sleeved T-shirt in Lycra jersey with silkscreen print

from 

£15.50

Boy's long-sleeved T-shirt in Lycra jersey with silkscreen print

Sizes available: 2Y - 3Y - 4Y - 5Y - 6Y - 8Y - 10Y - 12Y
Boy's Lycra jersey T-shirt with silkscreen print

from 

£13.50

Boy's Lycra jersey T-shirt with silkscreen print

Sizes available: 2Y - 3Y - 4Y - 5Y - 6Y - 8Y - 10Y - 12Y
Boy's Lycra jersey vest top with silkscreen print

from 

£11.50

Boy's Lycra jersey vest top with silkscreen print

Sizes available: 2Y - 3Y - 4Y - 5Y - 6Y - 8Y - 10Y - 12Y
Pack of 2 boy's briefs in printed/silkscreened Lycra jersey

from 

£16.00

Pack of 2 boy's briefs in printed/silkscreened Lycra jersey

Sizes available: 2Y - 3Y - 4Y - 5Y - 6Y - 8Y - 10Y - 12Y
Pack of 2 boy's briefs in printed/silkscreened Lycra jersey

from 

£21.00

Pack of 2 boy's briefs in printed/silkscreened Lycra jersey

Sizes available: 2Y - 3Y - 4Y - 5Y - 6Y - 8Y - 10Y - 12Y
Pack of 2 boy's plain cotton long-sleeved T-shirts

from 

£20.00

Pack of 2 boy's plain cotton long-sleeved T-shirts

Sizes available: 2Y - 3Y - 4Y - 5Y - 6Y - 8Y - 10Y - 12Y
Pack of 2 boy's plain/milleraies cotton boxers

from 

£15.50

Pack of 2 boy's plain/milleraies cotton boxers

Sizes available: 2Y - 3Y - 4Y - 5Y - 6Y - 8Y - 10Y - 12Y
Boy's long-sleeved wool and cotton T-shirt

from 

£19.50

Boy's long-sleeved wool and cotton T-shirt

Sizes available: 2Y - 3Y - 4Y - 5Y - 6Y - 8Y - 10Y - 12Y - 14Y - 16Y - 18Y
Boy's short-sleeved T-shirt in wool and cotton

from 

£16.50

Boy's short-sleeved T-shirt in wool and cotton

Sizes available: 2Y - 3Y - 4Y - 5Y - 6Y - 8Y - 10Y - 12Y
Boy's long johns in wool and cotton

from 

£20.50

Boy's long johns in wool and cotton

Sizes available: 2Y - 3Y - 4Y - 5Y - 6Y - 8Y - 10Y - 12Y - 14Y - 16Y - 18Y