Skip to footer
25% Off Babolat Pure Aero
Shop Prime Week Deals
Free Shipping over $50
Free Returns
Pause
25% Off Babolat Pure Aero
Shop Prime Week Deals
Free Shipping over $50
Free Returns
Skip to footer

Under Armour Boy's Tennis Apparel

Shop kids' Under Armour shirts, shorts and more for the court or school. Under Armour brings the latest fabric technologies to performance athletic wear.
Follow Category

Under Armour Boy's Fall Tennis Collection
Under Armour Boy's Fall Tech Pixelate Top
2 Colors
New
Under Armour Boy's Fall Tech Pixelate Top
$20.00
Under Armour Boy's Fall Tech Pixelate Top
2 Colors
New
Under Armour Boy's Fall Tech Pixelate Top
$20.00
Under Armour Boy's Big Logo Print Top
New
Under Armour Boy's Big Logo Print Top
$25.00
Under Armour Boy's Fall Matchplay Polo
New
Under Armour Boy's Fall Matchplay Polo
$30.00
Under Armour Boy's Core Performance Polo
2 Colors
Sale -30%
Under Armour Boy's Core Performance Polo
$21.00$30.00*
Under Armour Boy's Core Performance Polo
2 Colors
Sale -30%
Under Armour Boy's Core Performance Polo
$21.00$30.00*
Under Armour Boy's Fall Hybrid Print Long Sleeve
New
Under Armour Boy's Fall Hybrid Print Long Sleeve
$25.00
Sustainable Materials
Under Armour Boy's Fall Tech Woven Short
New
Under Armour Boy's Fall Tech Woven Short
$20.00
Under Armour Boy's Core Tech Woven Short
2 Colors
New
Under Armour Boy's Core Tech Woven Short
$20.00
Under Armour Boy's Core Tech Woven Short
2 Colors
New
Under Armour Boy's Core Tech Woven Short
$20.00
Under Armour Boy's Fall Tech Vent Short
2 Colors
New
Under Armour Boy's Fall Tech Vent Short
$25.00
Under Armour Boy's Fall Tech Vent Short
2 Colors
New
Under Armour Boy's Fall Tech Vent Short
$25.00
Under Armour Boy's Fall Fleece Jogger
New
Under Armour Boy's Fall Fleece Jogger
$45.00
Under Armour Boy's Core Long Sleeve
Sale -30%
Under Armour Boy's Core Long Sleeve
$31.50$45.00*
Under Armour Boy's Core Tech Mesh Short
Sale -30%
Under Armour Boy's Core Tech Mesh Short
$14.00$20.00*
Under Armour Boy's Core Tight
Sale -30%
Under Armour Boy's Core Tight
$28.00$40.00*
Under Armour Boy's Rival Fleece Print Hoodie
New
Under Armour Boy's Rival Fleece Print Hoodie
$45.00
Under Armour Boy's Core Brawler Pant
Sale -30%
Under Armour Boy's Core Brawler Pant
$21.00$30.00*

Under Armour Boy's Clearance Apparel
Under Armour Boy's Spring Tech Half Zip
Sale -34%
Under Armour Boy's Spring Tech Half Zip
$20.97$32.00*
Under Armour Boy's Spring Big Logo Top
Sale -35%
Under Armour Boy's Spring Big Logo Top
$12.97$20.00*
Under Armour Boy's Spring Tech Print Top
Sale -32%
Under Armour Boy's Spring Tech Print Top
$16.97$25.00*
Under Armour Boy's Core Tights
Clearance -31%
Under Armour Boy's Core Tights
$23.97$35.00*
Under Armour Boy's Summer Tech Printed Top
Clearance -32%
Under Armour Boy's Summer Tech Printed Top
$16.97$25.00*
Size XS
Under Armour Boy's Core Comp Shorts
3 Colors
Clearance -20%
Under Armour Boy's Core Comp Shorts
$19.97$25.00*
Under Armour Boy's Core Comp Shorts
3 Colors
Clearance -20%
Under Armour Boy's Core Comp Shorts
$19.97$25.00*
Under Armour Boy's Core Comp Shorts
3 Colors
Clearance -20%
Under Armour Boy's Core Comp Shorts
$19.97$25.00*
Back to Top
Prime Week Sale!

Prime Week Sale!

Shop Now
25% Off Babolat Pure Aero and All Bags

25% Off Babolat Pure Aero and All Bags

Shop Now
HEAD iPrestige is Back!

HEAD iPrestige is Back!

Shop Now
Nike Winter Collection

Nike Winter Collection

Shop Now
Yonex Nature Series

Yonex Nature Series

Shop Now
Full Wilson Defyer Lineup is Here!

Full Wilson Defyer Lineup is Here!

Shop Now