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UNDER ARMOUR Boys' UA Tech Big Logo Short-Sleeve T-Shirt - SportsAuthority.com

UNDER ARMOUR Boys' UA Tech Big Logo Short-Sleeve T-Shirt

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$19.99

UNDER ARMOUR Boys' HeatGear Sonic Fitted Long-Sleeve Top - SportsAuthority.com

UNDER ARMOUR Boys' HeatGear Sonic Fitted Long-Sleeve Top

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$23.98 to $29.99

UNDER ARMOUR Boys' Evo ColdGear Fitted Long-Sleeve Mock Shirt - SportsAuthority.com

UNDER ARMOUR Boys' Evo ColdGear Fitted Long-Sleeve Mock Shirt

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$39.99

UNDER ARMOUR Boys' Evo ColdGear Fitted Mock Long-Sleeve T-Shirt - SportsAuthority.com

UNDER ARMOUR Boys' Evo ColdGear Fitted Mock Long-Sleeve T-Shirt

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$31.98 to $39.99

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UNDER ARMOUR Boys' Big Logo Tech T-Shirt - SportsAuthority.com

UNDER ARMOUR Boys' Big Logo Tech T-Shirt

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$15.98 to $19.99

UNDER ARMOUR Boys' Alter Ego Captain America Fitted Baselayer Top - SportsAuthority.com

UNDER ARMOUR Boys' Alter Ego Captain America Fitted Baselayer Top

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$34.99

UNDER ARMOUR Boys' Space Brand Stack Short-Sleeve T-Shirt - SportsAuthority.com

UNDER ARMOUR Boys' Space Brand Stack Short-Sleeve T-Shirt

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List Price: $19.99*
$15.98

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UNDER ARMOUR Boys' Matchplay Short-Sleeve Polo - SportsAuthority.com

UNDER ARMOUR Boys' Matchplay Short-Sleeve Polo

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$29.99

UNDER ARMOUR Boys' Alter Ego Spider-Man Allover Graphic T-Shirt - SportsAuthority.com

UNDER ARMOUR Boys' Alter Ego Spider-Man Allover Graphic T-Shirt

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List Price: $49.99*
$39.98

In Select Stores
UNDER ARMOUR Boys' ColdGear Infrared Multiplier Mock Top - SportsAuthority.com

UNDER ARMOUR Boys' ColdGear Infrared Multiplier Mock Top

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List Price: $49.99*
$39.98

UNDER ARMOUR Boys' Momentum Long-Sleeve Shirt - SportsAuthority.com

UNDER ARMOUR Boys' Momentum Long-Sleeve Shirt

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List Price: $29.99*
$23.98

UNDER ARMOUR Boys' Lax Icon Short-Sleeve T-Shirt - SportsAuthority.com

UNDER ARMOUR Boys' Lax Icon Short-Sleeve T-Shirt

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$19.99

UNDER ARMOUR Boys' Alter Ego Superman Fitted Baselayer Top - SportsAuthority.com

UNDER ARMOUR Boys' Alter Ego Superman Fitted Baselayer Top

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$27.98 to $34.99

UNDER ARMOUR Boys' Alter Ego Iron Man Allover Graphic T-Shirt - SportsAuthority.com

UNDER ARMOUR Boys' Alter Ego Iron Man Allover Graphic T-Shirt

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List Price: $49.99*
$39.98

In Select Stores
UNDER ARMOUR Boys' Alter Ego Batman Short-Sleeve T-Shirt - SportsAuthority.com

UNDER ARMOUR Boys' Alter Ego Batman Short-Sleeve T-Shirt

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$29.99

UNDER ARMOUR Boys' Denver Broncos Big Logo Charged Cotton Short-Sleeve T-Shirt - SportsAuthority.com

UNDER ARMOUR Boys' Denver Broncos Big Logo Charged Cotton Short-Sleeve T-Shirt

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List Price: $19.99*
$15.98

In Select Stores
UNDER ARMOUR Boys' Alter Ego Superman Fitted Short-Sleeve T-Shirt - SportsAuthority.com

UNDER ARMOUR Boys' Alter Ego Superman Fitted Short-Sleeve T-Shirt

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$27.98 to $34.99

UNDER ARMOUR Boys' Evo ColdGear Fitted Long-Sleeve Crew Shirt - SportsAuthority.com

UNDER ARMOUR Boys' Evo ColdGear Fitted Long-Sleeve Crew Shirt

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$39.99

UNDER ARMOUR Boys' Alter Ego Spider-Man Fitted Baselayer Top - SportsAuthority.com

UNDER ARMOUR Boys' Alter Ego Spider-Man Fitted Baselayer Top

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List Price: $34.99*
$27.98

UNDER ARMOUR Boys' Momentum Long-Sleeve T-Shirt - SportsAuthority.com

UNDER ARMOUR Boys' Momentum Long-Sleeve T-Shirt

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List Price: $29.99*
$23.98

UNDER ARMOUR Boys' Alter Ego Batman Fitted Short-Sleeve T-Shirt - SportsAuthority.com

UNDER ARMOUR Boys' Alter Ego Batman Fitted Short-Sleeve T-Shirt

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$34.99

UNDER ARMOUR Boys' CTG 3/4-Sleeve T-Shirt - SportsAuthority.com

UNDER ARMOUR Boys' CTG 3 / 4-Sleeve T-Shirt

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$24.99

UNDER ARMOUR Boys' HeatGear Sonic Fitted Short-Sleeve Top - SportsAuthority.com

UNDER ARMOUR Boys' HeatGear Sonic Fitted Short-Sleeve Top

More Colors Available

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$19.99

UNDER ARMOUR Girls' Live To Play Softball Short-Sleeve T-Shirt - SportsAuthority.com

UNDER ARMOUR Girls' Live To Play Softball Short-Sleeve T-Shirt

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$19.99