Boys’ Short Sleeves

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

    $22.99 CDN

    38
  • New Arrival
    quickview
    Boys' UA Match Play Polo
    17 Colors
    UA Match Play
    Boys’ Golf Short Sleeve T-Shirt

    $34.99 CDN

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

    $29.99 CDN

    1
  • New Arrival
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    Boys' UA Tech™ Big Logo Printed T-Shirt
    8 Colors
    UA Tech™ Big Logo Printed
    Boys’ Short Sleeve T-Shirt

    $20.99 CDN - $27.99 CDN

    6
  • 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
  • quickview
    Boys’ UA Match Play Blocked Polo
    9 Colors
    UA Match Play Blocked
    Boys’ Short Sleeve T-Shirt

    $39.99 CDN

    2
  • 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

  • quickview
    Boys’ Toronto Blue Jays I Will UA Tech™ T-Shirt
    1 Color
    Toronto Blue Jays I Will UA Tech™
    Boys’ Short Sleeve T-Shirt

    $29.99 CDN

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

    $24.99 CDN

    1
  • New Arrival
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    Boys’ UA CoolSwitch Fitted Short Sleeve Shirt
    6 Colors
    UA CoolSwitch Fitted Short Sleeve
    Boys’ Short Sleeve T-Shirt

    $34.99 CDN

  • quickview
    Boys’ UA HeatGear® Armour Up Digi Fitted Short Sleeve Shirt
    6 Colors
    UA HeatGear® Armour Up Digi Fitted Short Sleeve
    Boys’ Short Sleeve T-Shirt

    $29.99 CDN

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

    $24.99 CDN

  • quickview
    Boys' UA Baseball Peanut T-Shirt
    2 Colors
    UA Baseball Peanut
    Boys’ Baseball Short Sleeve T-Shirt

    $27.99 CDN

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

    $27.99 CDN

  • quickview
    Boys’ UA HeatGear® Armour Up Short Sleeve Fitted Shirt
    2 Colors
    UA HeatGear® Armour Up
    Boys’ Short Sleeve T-Shirt

    $29.99 CDN

  • quickview
    Boys’ UA All Beast T-Shirt
    2 Colors
    UA All Beast
    Boys’ Graphic T-Shirt

    $22.99 CDN

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

    $29.99 CDN

  • New Arrival
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    Boys’ Under Armour® Alter Ego Star Wars T-Shirt
    1 Color
    Under Armour® Alter Ego Star Wars
    Boys’ Short Sleeve T-Shirt

    $34.99 CDN

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

    $34.99 CDN

  • quickview
    Boys’ UA Sun Slasher Short Sleeve
    6 Colors
    UA Sun Slasher
    Boys’ Surf Short Sleeve T-Shirt

    $29.99 CDN

  • quickview
    Boys’ UA Never Back Down T-Shirt
    2 Colors
    UA Never Back Down
    Boys’ Graphic T-Shirt

    $34.99 CDN

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

    $29.99 CDN

  • quickview
    Boy’s UA HeatGear® Armour Up Shield Fitted Short Sleeve Shirt
    3 Colors
    Boy’s UA HeatGear® Armour Up Shield Fitted
    Boys’ Short Sleeve T-Shirt

    $29.99 CDN

  • quickview
    Boys’ UA Built For Battle T-Shirt
    2 Colors
    UA Built For Battle
    Boys’ Short Sleeve T-Shirt

    $22.99 CDN

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

    $22.99 CDN

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

    $22.99 CDN

    1
  • quickview
    Boys’ Under Armour® Batman Logo T-Shirt
    1 Color
    UA Batman Logo
    Boys’ Short Sleeve T-Shirt

    $34.99 CDN

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

    $22.99 CDN

  • New Arrival
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    Boys’ UA CoolSwitch Thermocline T-Shirt
    2 Colors
    UA CoolSwitch Thermocline
    Boys’ Fishing Short Sleeve T-Shirt

    $44.99 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 One Step Ahead T-Shirt
    2 Colors
    UA One Step Ahead
    Boys’ Short Sleeve T-Shirt

    $25.99 CDN

  • New Arrival
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    UA coldblack® Draw Polo
    1 Color
    UA coldblack® Draw Polo
    Boys’ Golf Polo

    $74.99 CDN

  • quickview
    Boys’ UA Can’t Hold Me Back T-Shirt
    1 Color
    UA Can’t Hold Me Back
    Boys’ Short Sleeve T-Shirt

    $22.99 CDN

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

    $22.99 CDN

  • quickview
    Boys’ Under Armour® Alter Ego Batman HeatGear® T-Shirt
    1 Color
    Under Armour® Alter Ego Batman HeatGear®
    Boys’ Short Sleeve T-Shirt

    $59.99 CDN

  • New Arrival
    quickview
    Boys' SC30 All Star Game T-Shirt
    1 Color
    SC30 All Star Game
    Boys' Short Sleeve T-Shirt

    $29.99 CDN

  • quickview
    Boys’ UA Chaos Short Sleeve Soccer Jersey
    1 Color
    Boys’ UA Chaos Short Sleeve Soccer Jersey

    $29.99 CDN

  • quickview
    Boys’ UA WWP Dog Tag T-Shirt
    1 Color
    UA WWP Dog Tag
    Boys’ Short Sleeve T-Shirt

    $22.99 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
    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’ UA Tech™ Scent Control T-Shirt
    1 Color
    UA Tech™ Scent Control
    Boys’ Hunting Short Sleeve T-Shirt

    $39.99 CDN

  • quickview
    Boys’ Under Armour® Alter Ego Superman/Batman Reversible T-Shirt
    1 Color
    Under Armour® Alter Ego Superman/Batman Reversible
    Boys’ Short Sleeve T-Shirt

    $34.99 CDN

    2
  • quickview
    Boys’ Under Armour® Alter Ego Captain America T-Shirt
    1 Color
    Under Armour® Alter Ego Captain America
    Boys’ Graphic T-Shirt

    $34.99 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

  • New Arrival
    quickview
    Boys' SC30 I Can Do All Things T-Shirt
    1 Color
    SC30 I Can Do All Things
    Boys' Short Sleeve T-Shirt

    $29.99 CDN

  • quickview
    Boys’ UA United We Play T-Shirt
    1 Color
    UA United We Play
    Boys’ Graphic T-Shirt

    $29.99 CDN

  • quickview
    Boys' UA Don't Pop It Up T-Shirt
    1 Color
    UA Don't Pop It Up
    Boys’ Baseball Short Sleeve T-Shirt

    $24.99 CDN