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Everything You Need For Labor Day! Plus Our Best Labor Day Deals!

"Under Armour" > Apparel > Men's Apparel > Men's Base Layer >

Under-Armour>Apparel>Men's Apparel>Men's Base Layer>

<p>Outfit yourself in the right clothes for your next adventure. Our rainwear and outerwear will keep you dry and warm, while our baselayers help you prepare for changing temps. You'll find performance and tactical clothes from Beretta, Under Armour and 5.11 Tactical, fishing clothes from Columbia, and more apparel from The North Face, Marmot, and Carhartt.</p>

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Under Armour Men's Extreme Base Baselayer Bottom
Free E-Gift Card Offer

Under Armour Men's Extreme Base Baselayer Bottom

Key Features
  • Moisture-wicking 100% polyester shell

  • High-pile fleece lining for superior warmth

  • UA Scent Control; ArmourBlock anti-odor treatment

  • Strategic stretch panels offer an improved fit

  • Off-axis set waistband for additional coverage

$79.99 - $89.99
Under Armour Men's The Original 6" BoxerJock Boxer Brief
Free E-Gift Card Offer

Under Armour Men's The Original 6" BoxerJock Boxer Brief

Key Features
  • 4.7-oz., 90% polyester/10% elastane fabric

  • Four-way stretch for mobility and shape retention

  • Signature Moisture Transport System wicks sweat

  • Anti-odor technology keeps you fresher longer

  • Flatlock seam construction helps reduce chafing

$20.00
Under Armour Men's The Original 9" BoxerJock Boxer Brief
Free E-Gift Card Offer

Under Armour Men's The Original 9" BoxerJock Boxer Brief

Key Features
  • 4.7-oz., 90% polyester/10% elastane fabric

  • Four-way stretch for mobility and shape retention

  • Signature Moisture Transport System wicks sweat

  • Anti-odor technology keeps you fresher longer

  • Flatlock seam construction helps reduce chafing

$22.00
Under Armour Men's Extreme Base Baselayer Top
Free E-Gift Card Offer

Under Armour Men's Extreme Base Baselayer Top

Key Features
  • Moisture-wicking 100% polyester shell

  • High-pile fleece lining for superior warmth

  • UA Scent Control; ArmourBlock anti-odor treatment

  • Strategic stretch panels offer an improved fit

  • Mock-neck collar; quarter-length front zipper

$79.99 - $89.99
Under Armour Men's Base 4.0 Legging

Under Armour Men's Base 4.0 Legging

Key Features
  • Rugged 96% polyester, 4% elastane ColdGear fabric

  • Soft, brushed negative grid interior traps hot air

  • Four-way stretch fabrication for maximum mobility

  • ArmourBlock antimicrobial technology fights odors

  • Signature Moisture Transport System wicks sweat

$84.99
$64.96
Under Armour Men's Base 2.0 Long-Sleeve Crew Shirt

Under Armour Men's Base 2.0 Long-Sleeve Crew Shirt

Key Features
  • 93% polyester, 7% elastane ColdGear thermal fabric

  • Soft, brushed negative grid interior traps hot air

  • Four-way stretch fabrication for maximum mobility

  • ArmourBlock antimicrobial technology fights odors

  • Signature Moisture Transport System wicks sweat

$59.99
$42.96
Under Armour Men's Base 4.0 Long-Sleeve Crew Shirt

Under Armour Men's Base 4.0 Long-Sleeve Crew Shirt

Key Features
  • Rugged 96% polyester, 4% elastane ColdGear fabric

  • Soft, brushed negative grid interior traps hot air

  • Four-way stretch fabrication for maximum mobility

  • ArmourBlock antimicrobial technology fights odors

  • Signature Moisture Transport System wicks sweat

$84.99
$64.96
Under Armour Men's Camo 6 BoxerJock 2.0 Boxer Brief
Free E-Gift Card Offer

New! Under Armour Men's Camo 6” BoxerJock 2.0 Boxer Brief

Key Features
  • Lightweight 90% polyester, 10% elastane fabric

  • Dries quickly, wicks moisture, has lots of stretch

  • ArmourBlock antimicrobial finish reduces odors

  • Breathable mesh front panel; functional fly

  • Branded elastic waistband for distinctive style

$29.99
Under Armour Men's ColdGear Infrared EVO Mock-Neck Shirt
Free E-Gift Card Offer

Under Armour Men's ColdGear Infrared EVO Mock-Neck Shirt

Key Features
  • 87% polyester, 13% elastane ColdGear fabric

  • Slick, fast-drying exterior; soft, cozy interior

  • Four-way stretch fabrication for maximum mobility

  • Signature Moisture Transport System wicks sweat

  • ColdGear Infrared printed interior traps heat

$41.96 - $59.99
Under Armour Men's Base 2.0 Long-Sleeve Crew Shirt
Free E-Gift Card Offer

New! Under Armour Men's Base 2.0 Long-Sleeve Crew Shirt

Key Features
  • 95% polyester, 5% elastane ColdGear fabric

  • ArmourBlock antimicrobial finish reduces odors

  • Soft, brushed negative grid interior traps hot air

  • Four-way stretch fabrication for ease of movement

  • Signature Moisture Transport System wicks sweat

$54.99
Under Armour Men's Base 4.0 Legging
Free E-Gift Card Offer

New! Under Armour Men's Base 4.0 Legging

Key Features
  • 92% polyester, 8% elastane ColdGear fabric

  • ArmourBlock antimicrobial finish reduces odors

  • Soft, brushed negative grid interior traps hot air

  • Four-way stretch fabrication for ease of movement

  • Signature Moisture Transport System wicks sweat

$84.99
Under Armour Men's Base 4.0 Long-Sleeve Crew Shirt
Free E-Gift Card Offer

New! Under Armour Men's Base 4.0 Long-Sleeve Crew Shirt

Key Features
  • 92% polyester, 8% elastane ColdGear fabric

  • ArmourBlock antimicrobial finish reduces odors

  • Soft, brushed negative grid interior traps hot air

  • Four-way stretch fabrication for ease of movement

  • Signature Moisture Transport System wicks sweat

$84.99
Under Armour Men's Base 2.0 Legging
Free E-Gift Card Offer

New! Under Armour Men's Base 2.0 Legging

Key Features
  • 95% polyester, 5% elastane ColdGear fabric

  • ArmourBlock antimicrobial finish reduces odors

  • Soft, brushed negative grid interior traps hot air

  • Four-way stretch fabrication for ease of movement

  • Signature Moisture Transport System wicks sweat

$54.99
Under Armour Men's Base 3.0 Long-Sleeve Crew Shirt
Free E-Gift Card Offer

New! Under Armour Men's Base 3.0 Long-Sleeve Crew Shirt

Key Features
  • 92% polyester, 8% elastane ColdGear fabric

  • ArmourBlock antimicrobial finish reduces odors

  • Soft, brushed negative grid interior traps hot air

  • Four-way stretch fabrication for ease of movement

  • Signature Moisture Transport System wicks sweat

$74.99
Under Armour Men's Base 3.0 Legging
Free E-Gift Card Offer

New! Under Armour Men's Base 3.0 Legging

Key Features
  • 92% polyester, 8% elastane ColdGear fabric

  • ArmourBlock antimicrobial finish reduces odors

  • Soft, brushed negative grid interior traps hot air

  • Four-way stretch fabrication for ease of movement

  • Signature Moisture Transport System wicks sweat

$74.99
Under Armour Men's Base 4.0 Crew

Under Armour Men's Base 4.0 Crew

Key Features
  • 4-way stretch, 7.25-oz. 96% polyester, 4% elastane

  • Base 4.0: ultra warmth for "brutally" cold weather

  • ColdGear technology: warm, dry, and light

  • ArmourBlock anti-odor technology helps reduce BO

  • Ergonomic flatlock seams and raglan sleeves

$84.99
$59.94
Under Armour Men's Base 3.0 Long-Sleeve Crew Shirt

Under Armour Men's Base 3.0 Long-Sleeve Crew Shirt

Key Features
  • Rugged 93% polyester, 7% elastane ColdGear fabric

  • Patented negative grid interior traps hot air

  • Four-way stretch fabrication for maximum mobility

  • ArmourBlock antimicrobial technology fights odors

  • Signature Moisture Transport System wicks sweat

$74.99
$56.96
Under Armour Men's ColdGear Infrared EVO Legging
Free E-Gift Card Offer

Under Armour Men's ColdGear Infrared EVO Legging

Key Features
  • 87% polyester, 13% elastane ColdGear fabric

  • Slick, fast-drying exterior; soft, cozy interior

  • Four-way stretch fabrication for maximum mobility

  • Signature Moisture Transport System wicks sweat

  • ColdGear Infrared printed interior traps heat

$54.99 - $59.99

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Results 1 - 18 of 18  Page 1 of 1