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Men's Baselayer

42 Items

HeatGear® OG Compression
New Colors

HeatGear® OG Compression
Men's Short Sleeve

Price: $35
HeatGear® OG Compression
new

HeatGear® OG Compression
Men's Sleeveless

Price: $35
HeatGear® OG Compression
New Colors

HeatGear® OG Compression
Men's Long Sleeve

Price: $40
HeatGear® OG
new

HeatGear® OG
Men's Sleeveless Mock

Price: $30
HeatGear® OG Compression
new

HeatGear® OG Compression
Men's Crop Short Sleeve

Price: $35
Tactical HeatGear® Compression
new

Tactical HeatGear® Compression
Men's Short Sleeve T-Shirt

Price: $24.99
HeatGear®
new

HeatGear®
Men's Mock Long Sleeve

Price: $35
Tactical HeatGear® Compression
new

Tactical HeatGear® Compression
Men's V-Neck T-Shirt

Price: $24.99
HeatGear® OG Compression
new

HeatGear® OG Compression
Men's Mock Long Sleeve

Price: $40
HeatGear® OG Compression
new

HeatGear® OG Compression
Men's Mock Short Sleeve

Price: $35
UA Utility
new

UA Utility
Men's Slider Shorts

Price: $30
UA Tactical ColdGear® Infrared
new

UA Tactical ColdGear® Infrared
Men's Base Leggings

Price: $60
HeatGear® Sublimated Crew
new

HeatGear® Sublimated Crew
Men's Long Sleeve

Price: $60
ColdGear® OG

ColdGear® OG
Men's Leggings

Price: $60
ColdGear® Fitted
New Colors

ColdGear® Fitted
Men's Crew

Price: $55
ColdGear® OG

ColdGear® OG
Men's Mock Long Sleeve

Price: $60
UA Utility Pro
new

UA Utility Pro
Men's Sliding Shorts

Price: $35
ColdGear®
New Colors

ColdGear®
Men's Leggings

Price: $55
UA Tactical ColdGear® Infrared
new

UA Tactical ColdGear® Infrared
Men's Base Mock

Price: $60
ColdGear® Compression
New Colors

ColdGear® Compression
Men's Mock

Price: $55
UA Gameday Armour

UA Gameday Armour
Men's 5-Pad Girdle

Price: $70
UA Gameday Armour Pro

UA Gameday Armour Pro
Men's 5-Pad Girdle

Price: $75
UA Gameday Armour Pro

UA Gameday Armour Pro
Men's 5-Pad Top

Price: $75

A Men’s Baselayer for Every Season

Made to be the first thing you put on and the last thing you take off, Under Armour men’s baselayer clothing helps serve as a second skin that lets you perform no matter the weather conditions. HeatGear® helps you stay cool when the weather gets hot, ColdGear® keeps you warm when things get chilly, and UA Base 2.0, 3.0, and 4.0 keep you ready for every activity.

When it comes to our men’s baselayer clothing, Under Armour has got you covered for pretty much every season, and every sport or activity.

Our men’s baselayer clothing with HeatGear® is built for when things get hot. HeatGear® compression baselayers hug your muscles yet allow you to move comfortably in every direction. Plus, HeatGear® wicks sweat and dries quickly so you don’t overheat.

Flip the switch over to our men’s ColdGear® baselayers. ColdGear® keeps your warm when the weather gets chilly. Shop our men’s ColdGear® leggings. They’ve got dual-layer fabric that brings a warm interior and a smooth exterior that dries fast. 

Shop our UA Base™ men’s baselayer clothing. UA Base 2.0 is made for high activity in cold weather, 3.0 is made for moderate activity in very cold weather, while 4.0 is for low activity levels in extreme weather. UA Base 4.0 is our warmest baselayer yet. UA Base uses a pattern designed to trap heat without adding the extra bulk.

Whether you’re hitting the gym or enjoying the great outdoors, our men’s baselayer collection is your go-to choice for unbeatable comfort and performance.