Skip to content

Search

Product type

Menu

MEN
WOMEN
KIDS
SKI
SNOWBOARD
HIKE + CAMP
BIKE
WATER
CLIMB
MORE
BRANDS
BLOG

Take an Additional 20% off during our Fall Adventure Sale

FALLGEARUP

Copied

Home
Under Armour

Filter

Filter

Refine

Category

Search

Boys' Baselayer Tops
Boys' Shirts
Boys' Sweatshirts
Boys' T-Shirts Long-Sleeve
Boys' T-Shirts Short-Sleeve

Size

Search

M
L
XL

Gender

Search

Boys
Unisex

Condition

Search

Excellent
Good

Vendor

Search

geartrade

Color

Search

Black
Blue
Grey

Collection

Under Armour

clear

Sort by

Best selling
Alphabetically, A-Z
Alphabetically, Z-A
Price, low to high
Price, high to low
Date, old to new
Date, new to old

View as List Grid

FiltersFilter & Sort

Applied Filters

Clear all

Sort by

Best selling
Alphabetically, A-Z
Alphabetically, Z-A
Price, low to high
Price, high to low
Date, old to new
Date, new to old

Category

Boys' Baselayer Tops
Boys' Sweatshirts
Boys' T-Shirts Long-Sleeve
Boys' T-Shirts Short-Sleeve

Clear

Size

M
L
XL

Clear

Color

Black
Blue
Grey

Clear

Brand

Under Armour

Clear

Gender

Boys
Unisex

Clear

Price

From $

-

To $

From To

Clear

Condition

Good
Excellent

Clear

FALLGEARUP Promo Item

Under Armour ColdGear Performance Long-Sleeve Shirt - Boys'

$15²⁰62% OffSize: M

View details
Under Armour HeatGear Long Sleeve - Boys

$12⁸⁰60% OffSize: L

View details
FALLGEARUP Promo Item

Under Armour HeatGear Long Sleeve - Boys'

$11⁰²66% OffSize: L

View details
FALLGEARUP Promo Item

Under Armour HeatGear Long Sleeve - Boys'

$11⁰²66% OffSize: L

View details
FALLGEARUP Promo Item

Under Armour Heat Gear Long Sleeve - Boys'

$10⁵⁸67% OffSize: L

View details
FALLGEARUP Promo Item

Under Armour Unstoppable Fleece - Kids'

$29³³63% OffSize: L

View details
FALLGEARUP Promo Item

Under Armour Heatgear Tshirt

$6⁸⁸72% OffSize: XL

View details

Under Armour

Geartrade.com is where adventurists buy and sell the gear we love for the outdoors we need. #wearitout

Facebook
Instagram
TikTok
Twitter

LINKS

About
How to Sell Your Gear
Help Desk
Affiliates
Terms of Use
Privacy Policy
Rewards
Search
Brands + Retailers
Contact Us
Blog
Return Policy

Sign up to hear from Geartrade

Stay informed on the latest news, from offers and products to stories and events.

Email

© 2025 Geartrade.com.

Add To Cart

Item added to your cart.

View cart