Boys’ Short Sleeves

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  • New Arrival
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    Boys' UA Match Play Polo
    15 Colors
    UA Match Play
    Boys’ Golf Short Sleeve T-Shirt

    $34.99 CDN - $39.99 CDN

    12
  • New Arrival
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    Boys’ UA Tech™ Big Logo Hybrid T-Shirt
    19 Colors
    UA Tech™ Big Logo Hybrid
    Boys’ Short Sleeve T-Shirt

    $29.99 CDN$22.49 CDN

    LIMITED TIME: 25% OFF1
  • quickview
    Boys’ UA Sun Slasher Short Sleeve
    6 Colors
    UA Sun Slasher
    Boys’ Surf Short Sleeve T-Shirt

    $22.99 CDN - $29.99 CDN

  • New Arrival
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    Boy's UA Tech™ Big Logo T-Shirt
    33 Colors
    UA Tech™ Big Logo
    Boys’ Short Sleeve T-Shirt

    $22.99 CDN$17.24 CDN

    LIMITED TIME: 25% OFF38
  • New Arrival
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    Boys' UA Tech™ Big Logo Printed T-Shirt
    4 Colors
    UA Tech™ Big Logo Printed
    Boys’ Short Sleeve T-Shirt

    $27.99 CDN$20.99 CDN

    LIMITED TIME: 25% OFF6
  • quickview
    Boys’ UA Super Hero Fitted Shirt
    4 Colors
    Boys’ UA Super Hero Fitted Shirt
    Boys’ Football Short Sleeve T-Shirt

    $39.99 CDN

    16
  • New Arrival
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    Boys’ UA Locker Short Sleeve T-Shirt
    10 Colors
    Boys’ UA Locker Short Sleeve
    Boys’ Short Sleeve T-Shirt

    $21.99 CDN

    2
  • New Arrival
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    Boys' UA Sportstyle Logo T-Shirt
    5 Colors
    UA Sportstyle Logo
    Boys’

    $22.99 CDN

  • quickview
    Boys’ UA Rising Pixelated Logo T-Shirt
    4 Colors
    UA Rising Pixelated Logo
    Boys’ Short Sleeve T-Shirt

    $22.99 CDN

    1
  • New Arrival
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    Boys’ UA HeatGear® Armour Short Sleeve Fitted Shirt
    7 Colors
    UA HeatGear® Armour
    Boys’ Short Sleeve T-Shirt

    $27.99 CDN

  • New Arrival
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    Boys’ SC30 Branded T-Shirt
    5 Colors
    SC30 Branded
    Boys’ Basketball Short Sleeve T-Shirt

    $29.99 CDN

  • New Arrival
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    Boys’ UA CoolSwitch Fitted Short Sleeve Shirt
    5 Colors
    UA CoolSwitch Fitted Short Sleeve
    Boys’ Short Sleeve T-Shirt

    $34.99 CDN

  • quickview
    Boys’ UA Golazo Soccer Jersey
    8 Colors
    UA Golazo Soccer Jersey
    Boys’ Soccer Short Sleeve T-Shirt

    $24.99 CDN

  • quickview
    Boys’ UA Charged Cotton® T400 T-Shirt
    6 Colors
    UA Charged Cotton® T400
    Boys’ Short Sleeve T-Shirt

    $27.99 CDN

  • New Arrival
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    Boys' UA Camo Fill Logo T-Shirt
    8 Colors
    UA Camo Fill Logo
    Boys’

    $25.99 CDN

  • quickview
    Boys’ UA Zone T-Shirt
    6 Colors
    UA Zone
    Boys’ Short Sleeve T-Shirt

    $29.99 CDN

  • quickview
    Boys’ UA ZagZig T-Shirt
    3 Colors
    UA ZagZig
    Boys’ Surf Short Sleeve T-Shirt

    $22.99 CDN

  • quickview
    UA Breakin’ Rules
    2 Colors
    UA Breakin’ Rules
    Boys’ Graphic T-Shirt

    $22.99 CDN

  • New Arrival
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    Boys’ Under Armour® Alter Ego Superman HeatGear® T-Shirt
    1 Color
    Under Armour® Alter Ego Superman HeatGear®
    Boys’ Graphic T-Shirt

    $59.99 CDN

    1
  • quickview
    Kids’ UA Football Jersey
    5 Colors
    UA Football Jersey
    Boys’ Football Short Sleeve T-Shirt

    $22.99 CDN

  • quickview
    Boys’ UA Basketball Icon T-Shirt
    3 Colors
    UA Basketball Icon
    Boys’ Short Sleeve T-Shirt

    $22.99 CDN

  • quickview
    Boston Red Sox I Will UA Tech™
    1 Color
    Boston Red Sox I Will UA Tech™
    Boys’ Baseball Graphic T-Shirt

    $29.99 CDN

  • quickview
    Boys’ UA I Sweat Excellence T-Shirt
    2 Colors
    UA I Sweat Excellence
    Boys’ Short Sleeve T-Shirt

    $25.99 CDN

  • quickview
    Boys’ UA Prove It On The Court T-Shirt
    2 Colors
    UA Prove It On The Court
    Boys’ Basketball Short Sleeve T-Shirt

    $22.99 CDN

  • quickview
    New York Yankees I Will UA Tech™
    1 Color
    New York Yankees I Will UA Tech™
    Boys’ Baseball Graphic T-Shirt

    $29.99 CDN

  • quickview
    Boys’ UA Impact Logo T-Shirt
    2 Colors
    UA Impact Logo
    Boys’ Short Sleeve T-Shirt

    $29.99 CDN

  • quickview
    Boys' UA Toronto Never Backs Down T-Shirt
    2 Colors
    UA Toronto Never Backs Down
    Boys' Short Sleeve T-Shirt

    $29.99 CDN

  • quickview
    Boys' Under Armour® Alter Ego Iron Man T-Shirt
    1 Color
    Under Armour® Alter Ego Iron Man
    Boys’ Short Sleeve T-Shirt

    $34.99 CDN