Boys’ Short Sleeve Shirts

31 Results
  • quickview
    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% OFF
  • quickview
    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 Tech™ Big Logo Printed T-Shirt
    5 Colors
    UA Tech™ Big Logo Printed
    Boys’ Short Sleeve T-Shirt

    $27.99 CDN$20.99 CDN

    LIMITED TIME: 25% OFF6
  • 25% OFF SELECT UA TECH
    YOU CAN NEVER
    HAVE ENOUGH
    Our core performance gear for everything you do.

More Boy's Short Sleeve Shirts

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

    $34.99 CDN - $39.99 CDN

    12
  • quickview
    Boys’ UA HeatGear® Armour Short Sleeve Fitted Shirt
    7 Colors
    UA HeatGear® Armour Fitted Shirt
    Boys’ Short Sleeve T-Shirt

    $27.99 CDN

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

    $34.99 CDN

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

    $44.99 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

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

    $25.99 CDN

  • quickview
    Boys’ UA Super Hero Fitted Shirt
    4 Colors
    Under Armour® Alter Ego
    Boys’ Football Short Sleeve T-Shirt

    $39.99 CDN

    16
  • quickview
    Boys’ UA Match Play Blocked Polo
    8 Colors
    UA Match Play Blocked
    Boys’ Short Sleeve T-Shirt

    $39.99 CDN

    2
  • 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 ZagZig T-Shirt
    3 Colors
    UA ZagZig
    Boys’ Surf Short Sleeve T-Shirt

    $22.99 CDN

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

    $29.99 CDN$22.99 CDN - $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 Zone T-Shirt
    6 Colors
    UA Zone
    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’

    $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
    UA coldblack® Draw Polo
    1 Color
    UA coldblack® Draw Polo
    Boys’

    $74.99 CDN

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

    $22.99 CDN

  • quickview
    Boys' UA Sportstyle Logo T-Shirt
    5 Colors
    UA Sportstyle Logo
    Boys’

    $22.99 CDN

  • quickview
    Boys' UA Prove It On The Ice T-Shirt
    1 Color
    UA Prove It On The Ice
    Boys’

    $22.99 CDN

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

    $59.99 CDN

    1
  • quickview
    Kids' UA Team Canada T-Shirt
    1 Color
    UA Team Canada
    Kids' Graphic T-Shirt

    $29.99 CDN

  • quickview
    Boys’ UA Antler Logo T-Shirt
    1 Color
    UA Antler Logo
    Boys’ Hunting Short Sleeve T-Shirt

    $22.99 CDN

  • quickview
    Boys’ UA CoolSwitch Fitted Short Sleeve Shirt
    1 Color
    UA CoolSwitch Fitted
    Boys’ Short Sleeve T-Shirt

    $34.99 CDN$26.99 CDN

  • quickview
    Boys' UA Match Play Polo
    1 Color
    UA Match Play
    Boys’ Golf Short Sleeve T-Shirt

    $34.99 CDN$26.99 CDN

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

    $29.99 CDN$22.99 CDN

  • quickview
    Boys’ UA HeatGear® Armour Up Short Sleeve Fitted Shirt
    1 Color
    UA HeatGear® Armour Up Fitted Shirt
    Boys’ Short Sleeve T-Shirt

    $29.99 CDN

  • quickview
    Boys’ UA Match Play Blocked Polo
    1 Color
    UA Match Play Blocked
    Boys’ Short Sleeve T-Shirt

    $39.99 CDN$29.99 CDN

  • quickview
    Boys’ UA Chaos Short Sleeve Soccer Jersey
    2 Colors
    Boys’ UA Chaos Short Sleeve Soccer Jersey

    $29.99 CDN$22.99 CDN