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Men's Baselayer

53 Items

ColdGear® Compression
New Colors

ColdGear® Compression
Men's Mock

Price: $55
UA Base 2.0
Best Seller

UA Base 2.0
Men's Leggings

Price: $60
UA Base 2.0
Best Seller

UA Base 2.0
Men's Crew

Price: $60
HeatGear® OG Compression
New Colors

HeatGear® OG Compression
Men's Long Sleeve

Price: $40
ColdGear®
New Colors

ColdGear®
Men's Leggings

Price: $55
HeatGear® Compression
New Colors

HeatGear® Compression
Men's Mock Short Sleeve

Price: $30
UA Gameday Armour Pro

UA Gameday Armour Pro
Men's 5-Pad Girdle

Price: $75
ColdGear® Fitted
New Colors

ColdGear® Fitted
Men's Mock

Price: $55
UA Gameday Armour Pro

UA Gameday Armour Pro
Men's 5-Pad Top

Price: $75
UA Gameday Armour Pro

UA Gameday Armour Pro
Men's 7-Pad ¾ Tights

Price: $85
HeatGear®
New Colors

HeatGear®
Men's Long Sleeve

Price: $35
UA Utility Pro

UA Utility Pro
Men's Sliding Shorts

Price: $35
ColdGear® Fitted
New Colors

ColdGear® Fitted
Men's Crew

Price: $55
UA Base 3.0
Best Seller

UA Base 3.0
Men's Leggings

Price: $70
UA Gameday Armour

UA Gameday Armour
Men's 5-Pad Girdle

Price: $70
UA Gameday Armour

UA Gameday Armour
Men's 3-Pad Shorts

Price: $65
UA Gameday Armour Pro

UA Gameday Armour Pro
Men's Padded Elbow Sleeve

Price: $30
UA Gameday Armour

UA Gameday Armour
Men's 2-Pad ¾ Tights

Price: $70
UA Pro Runner '25 Marathon
new

UA Pro Runner '25 Marathon
Men's ½ Tights

Price: $75
UA Hockey Compression

UA Hockey Compression
Men's Leggings

Price: $60
UA Football 6-Pocket

UA Football 6-Pocket
Men's Girdle

Price: $30
HeatGear®
New Colors

HeatGear®
Men's Short Sleeve

Price: $30
UA Utility Pro

UA Utility Pro
Men's ¾ Slider

Price: $60

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.