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Men's Baselayer

56 Items

Men's ColdGear® Bodysuit
UA Exclusive

Men's ColdGear® Bodysuit

Price: $150.00
Men's HeatGear® Compression Shorts
new

Men's HeatGear® Compression Shorts

Price: $30.00
Men's Tactical HeatGear® Compression Short Sleeve T-Shirt
Best Seller

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

Price: $24.99
Men's HeatGear® Pocket Long Shorts

Men's HeatGear® Pocket Long Shorts

Price: $30.00
Men's HeatGear® Compression Tank
new

Men's HeatGear® Compression Tank

Price: $25.00
Men's HeatGear® Mock Long Sleeve

Men's HeatGear® Mock Long Sleeve

Price: $35.00
Men's HeatGear® Fitted Short Sleeve
new

Men's HeatGear® Fitted Short Sleeve

Price: $30.00
Men's HeatGear® OG Compression Short Sleeve
new

Men's HeatGear® OG Compression Short Sleeve

Price: $35.00
Men's HeatGear® Fitted Long Sleeve
new

Men's HeatGear® Fitted Long Sleeve

Price: $35.00
Men's HeatGear® Printed Leggings
new

Men's HeatGear® Printed Leggings

Price: $45.00
Men's UA Base™ 3.0 Hoodie
new

Men's UA Base™ 3.0 Hoodie

Price: $85.00
Men's ColdGear® Leggings
Best Seller

Men's ColdGear® Leggings

Price: $55.00
Men's UA Tactical ColdGear® Infrared Base Leggings
new

Men's UA Tactical ColdGear® Infrared Base Leggings

Price: $60.00
Men's ColdGear® Fitted Crew
new

Men's ColdGear® Fitted Crew

Price: $55.00
Men's HeatGear® OG Compression Long Sleeve
new

Men's HeatGear® OG Compression Long Sleeve

Price: $40.00
Men's UA Utility Slider Shorts

Men's UA Utility Slider Shorts

Price: $30.00
Men's HeatGear® Printed Compression Shorts
new

Men's HeatGear® Printed Compression Shorts

Price: $35.00
Men's UA Base 4.0 ¼ Zip
Best Seller

Men's UA Base 4.0 ¼ Zip

Price: $110.00
Men's UA Base 2.0 Crew
Best Seller

Men's UA Base 2.0 Crew

Price: $60.00
Men's UA Base 4.0 Leggings
Best Seller

Men's UA Base 4.0 Leggings

Price: $100.00
Men's ColdGear® Compression Mock
new

Men's ColdGear® Compression Mock

Price: $55.00
Men's UA Tactical ColdGear® Infrared Base Mock
new

Men's UA Tactical ColdGear® Infrared Base Mock

Price: $60.00
Men's UA Iso-Chill ¾ Sleeve Shirt

Men's UA Iso-Chill ¾ Sleeve Shirt

Price: $45.00
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.