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 ALL NEW ARRIVALS & BAGS SHIP FREE! Limited time only—you get the gear, & we’ll get shipping.
ALL NEW ARRIVALS & BAGS SHIP FREE!
Limited time only—you get the gear, & we’ll get shipping.

Boys’ Short Sleeve Shirts

50 Results
  •  Boys' UA Big Logo T-Shirt  1  Color Available $30
    1 Color Available
    UA Big Logo
    Boys’ Short Sleeve Shirt

    $30.00 CDN

    1
  •  Boys' UA Performance Polo LIMITED TIME: FREE SHIPPING 10  Colors Available $34.99
    10 Colors Available
    UA Performance
    Boys’ Golf Short Sleeve Shirt

    $34.99 CDN

    29
  •  Boys’ UA Locker Short Sleeve T-Shirt  13  Colors Available $21.99
    13 Colors Available
    Boys’ UA Locker Short Sleeve
    Boys’ Short Sleeve Shirt

    $21.99 CDN

    7
  •  Boys' UA Threadborne Polo LIMITED TIME: FREE SHIPPING 7  Colors Available $39.99
    7 Colors Available
    UA Threadborne
    Boys’ Golf Short Sleeve Shirt

    $39.99 CDN

    10
  •  Boys' UA Threadborne Blocked Polo LIMITED TIME: FREE SHIPPING 2  Colors Available $39.99
    2 Colors Available
    UA Threadborne Blocked
    Boys’ Golf Short Sleeve Shirt

    $39.99 CDN

    5
  •  Boys' Pre-School UA New Hybrid Big Logo T-Shirt LIMITED TIME: FREE SHIPPING 3  Colors Available $23
    3 Colors Available
    UA New Hybrid Big Logo – Pre-School
    Boys’ Short Sleeve Shirt

    $23.00 CDN

  • New Arrival  Boys' UA Hockey Jock Tag T-Shirt  2  Colors Available $25
    2 Colors Available
    UA Hockey Jock Tag
    Boys’ Hockey Short Sleeve Shirt

    $25.00 CDN

  • New Arrival  Boys' UA Hockey T-Shirt  2  Colors Available $25
    2 Colors Available
    UA Hockey
    Boys’ Hockey Short Sleeve Shirt

    $25.00 CDN

  •  Boys' HeatGear® Armour Short Sleeve  1  Color Available $27.99
    1 Color Available
    HeatGear® Armour
    Boys’ Short Sleeve Shirt

    $27.99 CDN

    5
  •  Boys' UA Raid Short Sleeve  2  Colors Available $30
    2 Colors Available
    UA Raid
    Boys’ Short Sleeve Shirt

    $30.00 CDN

    1
  •  Boys' UA Siro Tech T-Shirt  1  Color Available $32
    1 Color Available
    UA Siro Tech
    Boys’ Short Sleeve Shirt

    $32.00 CDN

  • New Arrival  Boys' UA Zamboni T-Shirt  1  Color Available $25
    1 Color Available
    UA Zamboni
    Boys’ Hockey Short Sleeve Shirt

    $25.00 CDN

  • New Arrival  Boys' UA Performance Polo Novelty LIMITED TIME: FREE SHIPPING 3  Colors Available $40
    3 Colors Available
    UA Performance Novelty
    Boys’ Golf Short Sleeve Shirt

    $40.00 CDN

  •  Boys’ Pre-School UA Big Logo T-Shirt LIMITED TIME: FREE SHIPPING 2  Colors Available $22
    2 Colors Available
    UA Big Logo – Pre-School
    Boys’ Short Sleeve Shirt

    $22.00 CDN

    3
  •  Boys' Pre-School UA Beast Squad Short Sleeve T-Shirt  1  Color Available $21.99
    1 Color Available
    UA Beast Squad – Pre-School
    Boys’ Short Sleeve Shirt

    $21.99 CDN

    1
  •  Boys' UA Heater 5 Star T-Shirt  2  Colors Available $22.99
    2 Colors Available
    UA Heater 5 Star
    Boys’ Baseball Short Sleeve Shirt

    $22.99 CDN

  • 1 Color Available
    Boys' Toddler UA Geo Cache Big Logo T-Shirt
    Boys’ Short Sleeve Shirt

    $21.99 CDN

  • 5 Colors Available
    UA Maquina Soccer Jersey
    Boys’ Soccer Short Sleeve Shirt

    $29.99 CDN

  • 2 Colors Available
    UA Baseball Logo
    Boys’ Baseball Short Sleeve Shirt

    $22.99 CDN

    2
  • 2 Colors Available
    UA Camp
    Boys’ Short Sleeve Shirt

    $18.99 CDN

  • 1 Color Available
    UA Big Time Icon Set — Infant
    Boys’ Short Sleeve Shirt

    $33.00 CDN

  • 1 Color Available
    UA BH Illustration
    Boys’ Baseball Short Sleeve Shirt

    $29.99 CDN

    1
  • 1 Color Available
    UA Go Yard
    Boys’ Short Sleeve Shirt

    $22.99 CDN

  • 1 Color Available
    UA Sync — Toddler
    Boys’ Short Sleeve Shirt

    $29.00 CDN

  • 2 Colors Available
    UA New Hybrid Big Logo — Toddler
    Boys’ Short Sleeve Shirt

    $23.00 CDN

  • 1 Color Available
    UA Lord of the River
    Boys’ Fishing Short Sleeve Shirt

    $25.00 CDN

  • 1 Color Available
    UA Big Logo — Toddler
    Boys’ Short Sleeve Shirt

    $22.00 CDN

  • 1 Color Available
    UA Designated Baller
    Boys’ Baseball Short Sleeve Shirt

    $22.99 CDN

  • 3 Colors Available
    UA Uniform Short Sleeve Polo
    Boys’ Short Sleeve Shirt

    $39.99 CDN

    1
  • 1 Color Available
    UA Perfect Spiral – Pre-School
    Boys’ Basketball Short Sleeve Shirt

    $21.99 CDN

  • 1 Color Available
    UA Monster Whitetail
    Boys’ Hunting Short Sleeve Shirt

    $25.00 CDN

  • 2 Colors Available
    SC30 All Around
    Boys’ Basketball Short Sleeve Shirt

    $35.00 CDN

  • 1 Color Available
    SC30 Proven
    Boys’ Basketball Short Sleeve Shirt

    $30.00 CDN

  • 1 Color Available
    UA Locker
    Boys’ Short Sleeve Shirt

    $28.00 CDN

  • 2 Colors Available
    UA Uniform Short Sleeve Polo – Pre-School
    Boys’ Short Sleeve Shirt

    $35.99 CDN

    2
  • 1 Color Available
    UA Big Logo – Pre-School
    Boys’ Short Sleeve Shirt

    $22.00 CDN

  • 1 Color Available
    SC30 Money From The Arc
    Boys’ Basketball Short Sleeve Shirt

    $35.00 CDN

  • 1 Color Available
    SC30 Big 30
    Boys’ Basketball Short Sleeve Shirt

    $35.00 CDN

  • 2 Colors Available
    UA Dominate The Division
    Boys’ Football Short Sleeve Shirt

    $30.00 CDN

  • 3 Colors Available
    UA Branded Camo
    Boys’ Hunting Short Sleeve Shirt

    $25.00 CDN

  • 1 Color Available
    UA Heater
    Boys’ Baseball Short Sleeve Shirt

    $22.99 CDN

  • 6 Colors Available
    UA Threadborne Match Jersey
    Boys’ Soccer Short Sleeve Shirt

    $39.99 CDN

  • 1 Color Available
    UA Home Of The Brave
    Boys’ Short Sleeve Shirt

    $25.00 CDN

  • 1 Color Available
    UA Big Time Icon Set — Newborn
    Boys’ Short Sleeve Shirt

    $33.00 CDN

  • 5 Colors Available
    UA Football Jersey
    Boys’ Football Short Sleeve Shirt

    $22.99 CDN

    43
  • 2 Colors Available
    UA Call the Shots
    Boys’ Hunting Short Sleeve Shirt

    $25.00 CDN

  • 1 Color Available
    UA Heads Up Whitetail
    Boys’ Hunting Short Sleeve Shirt

    $25.00 CDN

  • 1 Color Available
    Star Wars Storm Trooper UA Compression
    Boys’ Short Sleeve Shirt

    $26.99 CDN$44.99 CDN

    1
  • 1 Color Available
    Star Wars UA XWing Pilot
    Boys’ Short Sleeve Shirt

    $20.99 CDN$34.99 CDN

  • 1 Color Available
    UA Endless Talent
    Boys’ Short Sleeve Shirt

    $22.49 CDN$29.99 CDN

    1
  • One Is Never Enough
    Our boys polos & T-shirts take comfort & durability to a new level. They wick sweat & dry fast. They're built to move with the stretch you love. Can you really have too many?