Boys T-Shirts & Polos

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104 Products

  • Black O’Neills Gael Jersey and Shorts set with an all over Celtic inspired design
    O'Neills Kids' Gael Jersey & Shorts Set Black

    From €44.99

  • Blue O’Neills Gael Jersey and Shorts set with an all over Celtic inspired design
    O'Neills Kids' Gael Jersey & Shorts Set Blue

    From €44.99

  • Teal O’Neills Gael Jersey and Shorts set with an all over Celtic inspired design
    O'Neills Kids' Gael Jersey & Shorts Set Teal

    From €44.99

  • Purple O’Neills Gael Jersey and Shorts set with an all over Celtic inspired design
    O'Neills Kids' Gael Jersey & Shorts Set Purple

    From €44.99

  • Pink O’Neills Gael Jersey and Shorts set with an all over Celtic inspired design
    O'Neills Kids' Gael Jersey & Shorts Set Pink

    From €44.99

  • Boys Blast T-Shirt & Shorts set in Marine. Bold graphic designs with reflective logos from O’Neills.
    O'Neills Kids' Blast T-Shirt & Shorts Set Marine

    From €30.00

  • O’Neills Blast T-Shirt Navy featuring a bold graphic and reflective logo
    O'Neills Kids' Blast T-Shirt Navy / Green
    From €19.99
  • Boys Blast T-Shirt & Shorts set in Grey and Blue. Bold graphic designs with reflective logos from O’Neills.
    O'Neills Kids' Blast T-Shirt & Shorts Set Grey

    From €30.00

  • O’Neills Blast T-Shirt Grey featuring a bold graphic and reflective logo
    O'Neills Kids' Blast T-Shirt Grey / Blue
    From €19.99
  • Boys Blast T-Shirt & Shorts set in Bottle Green. Bold graphic designs with reflective logos from O’Neills.
    O'Neills Kids' Blast T-Shirt & Shorts Set Bottle

    From €30.00

  • O’Neills Blast T-Shirt Bottle featuring a bold graphic and reflective logo
    O'Neills Kids' Blast T-Shirt Bottle / Green
    From €19.99
  • Boys Blast T-Shirt & Shorts set in Black / Pink. Bold graphic designs with reflective logos from O’Neills.
    O'Neills Kids' Blast T-Shirt & Shorts Set Black

    From €30.00

  • O’Neills Blast T-Shirt Black featuring a bold graphic and reflective logo
    O'Neills Kids' Blast T-Shirt Black / Pink
    From €19.99
  • Blue marine and purple Kids' Max T-Shirt from O’Neills
    Buy 1 Get 1 Half Price
    O'Neills Kids' Max T-Shirt Blue / Marine / Purple
    €18.99
  • Marine purple and blue Kids' Max T-Shirt from O’Neills
    Buy 1 Get 1 Half Price
    O'Neills Kids' Max T-Shirt Marine / Purple / Blue
    From €18.99
  • Kids' Charge T-Shirt Black from O’Neills
    Buy 1 Get 1 Half Price
    O'Neills Kids' Charge T-Shirt Black / Green
    From €18.00
  • Kids' Charge T-Shirt Black from O’Neills
    Buy 1 Get 1 Half Price
    O'Neills Kids' Charge T-Shirt Black / White
    From €18.00
  • Kids' Charge T-Shirt Blue from O’Neills
    Buy 1 Get 1 Half Price
    O'Neills Kids' Charge T-Shirt Blue
    From €18.00
  • Kids' Charge T-Shirt Grey from O’Neills
    Buy 1 Get 1 Half Price
    O'Neills Kids' Charge T-Shirt Dark Grey / Black
    From €18.00
  • Kids' Charge T-Shirt Navy from O’Neills
    Buy 1 Get 1 Half Price
    O'Neills Kids' Charge T-Shirt Marine / Silver
    From €18.00
  • Navy Kids' Belcourt T-Shirt Marine / Red / White.
    Kids' Belcourt T-Shirt Marine / Red / White
    From €27.00
  • Lansdowne Ireland Kids' Ringer T-Shirt Green
    Lansdowne Ireland Kids' Ringer T-Shirt Green
    €11.00
  • Kids' Black Trad Craft Kids' Big Shamrock Performance T-Shirt from O'Neills.
    Trad Craft Ireland Kids' Big Shamrock Performance T-Shirt Black / Green
    €16.00
  • Kids' Green Lansdowne Ireland Rugby Shamrock Performance T-Shirt from O'Neills.
    Lansdowne Kids' Ireland Rugby Shamrock Performance T-Shirt Green / Black
    €24.00
  • Lansdowne Ireland Baby My First T-Shirt Green
    Lansdowne Ireland Baby My First T-Shirt Green
    €11.00
  • Kids' Blue Canterbury Ireland Rugby IRFU 2026 Superlight Training T-Shirt from O'Neills.
    Canterbury Kids' Ireland Rugby IRFU 2026/27 Superlight Training T-Shirt Vintage Indigo / Baltic
    From €35.00
  • Kids' Green Canterbury Ireland Rugby IRFU 2025/26 Elite Training T-Shirt from O'Neills.
    -41%
    Canterbury Kids' Ireland Rugby IRFU 2025/26 Elite Training T-Shirt Mallard Green / Darkest Spruce Marl
    From €20.00 Regular Price €34.00
    €34.00
  • Bottle Green Lansdowne Kids' Ireland Celtic Printed Performance T-Shirt with an Embroidered Crest from O'Neill's.
    Lansdowne Kids' Ireland Celtic Sublimated Performance T-Shirt Bottle / White / Gold
    From €24.00
  • Red and Navy Under Armour Kids' UA Tech™ Vent Jacquard T-Shirt from O'Neills
    Under Armour Kids' UA Tech™ Vent Jacquard T-Shirt Racer Red / Black
    From €17.00 Regular Price €24.00
    €24.00
  • Blue and Navy Under Armour Kids' UA Tech™ Vent Jacquard T-Shirt from O'Neills
    Under Armour Kids' UA Tech™ Vent Jacquard T-Shirt Blue Atlantis / Washed Navy
    From €17.00 Regular Price €24.00
    €24.00
  • Blue and white Under Armour Kids' UA Sportstyle T-Shirt from O'Neills
    Under Armour Kids' UA Sportstyle T-Shirt Blue Atlantis / White
    From €12.00 Regular Price €18.00
    €18.00
  • Kids' Green Under Armour UA Tech™ Vent Jacquard T-Shirt from O'Neills.
    Under Armour Kids' UA Tech™ Vent Jacquard T-Shirt Lumos Lime / Castlerock
    From €14.00 Regular Price €24.00
    €24.00
  • Kids' Red Under Armour UA Tech™ Vent Jacquard T-Shirt from O'Neills.
    Under Armour Kids' UA Tech™ Vent Jacquard T-Shirt Venom Red / Black
    From €14.00 Regular Price €24.00
    €24.00
  • Kids' Green Under Armour UA Challenger Training T-Shirt from O'Neills.
    Under Armour Kids' UA Challenger Training T-Shirt Rack Green / White
    From €12.00 Regular Price €17.00
    €17.00
  • Under Armour Kids' UA Tech™ Split Wordmark T-Shirt
    Under Armour Kids' UA Tech™ Split Wordmark T-Shirt Rack Green / White
    From €12.00 Regular Price €21.00
    €21.00
  • Under Armour Kids' UA Tech™ Textured T-Shirt
    Under Armour Kids' UA Tech™ Textured T-Shirt Orange Bloc / Black
    From €12.00 Regular Price €21.00
    €21.00

You've seen 36 out of 104 products

We have a huge range of boy’s t-shirt and polos to choose from in an array of colours and patterns. A short sleeve t-shirt is ideal for PE classes, football training, exploring the outdoors and for everyday casual wear. Team with a pair of tracksuit bottoms for a sporty look.