Boys T-Shirts & Polos

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6-12 months Age 1-2 Age 3-4 Age 5-6 Age 7-8 Age 9-10 Age 10-11 Age 11-12 Age 13 Age 13-14 Small Medium Large X-Large

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106 Products

  • Black O’Neills Kids' Raptor Vest with short sleeves and contrast pinhole texture panels
    O'Neills Kids' Raptor Vest Black
    £12.99
  • Green O’Neills Kids’ Raptor T-Shirt with short sleeves and contrast pinhole texture panels
    O'Neills Kids' Raptor T-Shirt Green
    £14.99
  • Bottle O’Neills Kids' Raptor Vest with short sleeves and contrast pinhole texture panels
    O'Neills Kids' Raptor Vest Bottle
    £12.99
  • Bottle O’Neills Kids’ Raptor T-Shirt with short sleeves and contrast pinhole texture panels
    O'Neills Kids' Raptor T-Shirt Bottle
    £14.99
  • Navy O’Neills Kids' Raptor Vest with short sleeves and contrast pinhole texture panels
    O'Neills Kids' Raptor Vest Marine
    £12.99
  • Blue O’Neills Kids’ Raptor T-Shirt with short sleeves and contrast pinhole texture panels
    O'Neills Kids' Raptor T-Shirt Blue
    £14.99
  • Blue O’Neills Kids’ Raptor Vest with short sleeves and contrast pinhole texture panels
    O'Neills Kids' Raptor Vest Blue
    £12.99
  • White O’Neills Kids’ Raptor T-Shirt with short sleeves and contrast pinhole texture panels
    O'Neills Kids' Raptor T-Shirt White
    £14.99
  • Black O’Neills Gael Jersey and Shorts set with an all over Celtic inspired design
    O'Neills Kids' Gael Jersey & Shorts Set Black
    From £37.99
  • Blue O’Neills Gael Jersey and Shorts set with an all over Celtic inspired design
    O'Neills Kids' Gael Jersey & Shorts Set Blue
    From £37.99
  • Teal O’Neills Gael Jersey and Shorts set with an all over Celtic inspired design
    O'Neills Kids' Gael Jersey & Shorts Set Teal
    From £37.99
  • Purple O’Neills Gael Jersey and Shorts set with an all over Celtic inspired design
    O'Neills Kids' Gael Jersey & Shorts Set Purple
    From £37.99
  • Pink O’Neills Gael Jersey and Shorts set with an all over Celtic inspired design
    O'Neills Kids' Gael Jersey & Shorts Set Pink
    From £37.99
  • 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 £25.00
  • O’Neills Blast T-Shirt Navy featuring a bold graphic and reflective logo
    O'Neills Kids' Blast T-Shirt Navy / Green
    £16.99
  • 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 £25.00
  • O’Neills Blast T-Shirt Grey featuring a bold graphic and reflective logo
    O'Neills Kids' Blast T-Shirt Grey / Blue
    £16.99
  • 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 £25.00
  • O’Neills Blast T-Shirt Bottle featuring a bold graphic and reflective logo
    O'Neills Kids' Blast T-Shirt Bottle / Green
    £16.99
  • Boys Blast T-Shirt & Shorts set in Black / Pink. Bold graphic designs with reflective logos from O’Neills.
    Save 25%
    O'Neills Kids' Blast T-Shirt & Shorts Set Black
    From £24.00 Regular Price £32.00
    £32.00
  • 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
    £16.00
  • 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
    £16.00
  • Navy Kids' Belcourt T-Shirt Marine / Red / White.
    Kids' Belcourt T-Shirt Marine / Red / White
    From £22.00
  • Lansdowne Ireland Kids' Ringer T-Shirt Green
    Lansdowne Ireland Kids' Ringer T-Shirt Green
    £9.00
  • Kids' Black Trad Craft Kids' Big Shamrock Performance T-Shirt from O'Neills.
    Trad Craft Ireland Kids' Big Shamrock Performance T-Shirt Black / Green
    £14.00
  • Kids' Green Lansdowne Ireland Rugby Shamrock Performance T-Shirt from O'Neills.
    Lansdowne Kids' Ireland Rugby Shamrock Performance T-Shirt Green / Black
    £20.00
  • Lansdowne Ireland Baby My First T-Shirt Green
    Lansdowne Ireland Baby My First T-Shirt Green
    £9.00
  • 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
    £35.00
  • Kids' Green Canterbury Ireland Rugby IRFU 2025/26 Elite Training T-Shirt from O'Neills.
    -47%
    Canterbury Kids' Ireland Rugby IRFU 2025/26 Elite Training T-Shirt Mallard Green / Darkest Spruce Marl
    £16.00 Regular Price £30.00
    £30.00
  • 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 £20.00
  • 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 £14.00 Regular Price £20.00
    £20.00
  • 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 £14.00 Regular Price £20.00
    £20.00
  • Blue and white Under Armour Kids' UA Sportstyle T-Shirt from O'Neills
    Under Armour Kids' UA Sportstyle T-Shirt Blue Atlantis / White
    From £10.00 Regular Price £15.00
    £15.00
  • 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 £12.00 Regular Price £20.00
    £20.00
  • 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 £12.00 Regular Price £20.00
    £20.00
  • Kids' Green Under Armour UA Challenger Training T-Shirt from O'Neills.
    Under Armour Kids' UA Challenger Training T-Shirt Rack Green / White
    From £10.00 Regular Price £14.00
    £14.00

You've seen 36 out of 106 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.