Image for banner of category

UA HeatGear®: Keeps You Cool

New Arrivals
- Men
- Women
- Kids
- Shoes
Featured
Gift Guide
Summer Sports

Image for banner of category

UA Football

Featured
Shop by Category
Shop by Sport
Shop by Collection
Accessories

Image for banner of category

Compression Shop

Featured
Shop by Category
Shop by Sport
Shop by Collection
Accessories

Image for banner of category

Summer Golf Looks

Featured
Boys
Girls
Shop by Sport
Shop by Size

Image for banner of category

UA Phantom Fore

Featured
Shop by Category
Shop by Gender
Shop by Sport
Shop by Collection

Image for banner of category

Backpacks

Featured
- School Uniform Shop
- Student Discount
Essentials
Shop by Gender

Image for banner of category

SEMI-ANNUAL EVENT: 40% Off UA Outlet

Use code: SEMIANNUAL

Featured
- Apparel Under $25
- Shoes Under $75
Men
Women
Boys
Girls

Skip to main content

FREE RETURNS + FREE SHIPPING: ORDERS $50+CDN

FREE RETURNS + FREE SHIPPING: ORDERS $50+CDN

Locations Nearby
United States
Mexico
See All

Language
English
French

New & Featured
Men
Women
Kids
Shoes
Curry
Back to School
Outlet

New & Featured
Men
Women
Kids
Shoes
Curry
Back to School
Outlet
Region: CA

English
French

My Dashboard
Order History
Profile
Payment Methods
Addresses
Saved Items

EXTENDED! Extra 40% off with code SEMIANNUAL. See details.

Kids
Boys
Shirts & Tops
Tank Tops & Sleeveless

Boys' Tank Tops & Sleeveless T's

1 Item

Sort

Now Trending
Best Sellers
Price (Low - High)
Price (High - Low)
Top Rated
Newest

Tank Tops & Sleeveless

Graphic T-shirts
Hoodies & Sweatshirts
Long Sleeves
Polo Shirts
Short Sleeves
Tank Tops & Sleeveless

Filter

Sort
Colour
Size
- YXS
- YSM
- YMD
- YLG
- YXL

Filter

Sort
Colour
Size
- YXS
- YSM
- YMD
- YLG
- YXL

Clear All Show 1 Result

HeatGear®

Save this item

3 colours

Best Seller

HeatGear®
Boys' Sleeveless

$30

Price: $30

Stay in the loop.

Accepted Payment Methods

Need Help?

Help Center
Size Guide
Shipping & Delivery
Returns & Exchanges
Store Locator
Order Tracking
Gift Cards
Sitemap
Student Discount

Need Help?

Help Center
Size Guide
Shipping & Delivery
Returns & Exchanges
Store Locator
Order Tracking
Gift Cards
Sitemap
Student Discount

About Under Armour

Affiliates
About Us/Our Story
Careers
UA Community
Product Recalls
UA Newsroom

About Under Armour

Affiliates
About Us/Our Story
Careers
UA Community
Product Recalls
UA Newsroom

UA Social

Instagram
Facebook
X
Youtube

UA Social

Instagram
Facebook
X
Youtube

© 2025 Under Armour®, Inc.

Terms & Conditions

Ontario AODA Policy

Ontario Multi-Year Accessibility Plan

See our Privacy Policy or Contact Us for more information. Under Armour, Inc. seeks consent for itself and Under Armour Canada ULC 169 Enterprise Blvd, Suite 500, Unionville, ON L6G 0E7 customerservice@underarmour.com