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Under Armour UA BASE™ 4.0 Crew

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Description

  • Facing insane temperatures? This is what you're gonna want to put on first.
  • UA Base™ 4.0 delivers heat like no other, keeping you warm even in the brutal cold.
  • Soft, brushed negative grid interior traps hot air, providing superior warmth.
  • 4-Way Stretch fabrication allows greater mobility and maintains shape.
  • Signature Moisture Transport System wicks sweat away from the body.
  • Quick-dry fabrication keeps you light and comfortable.
  • Anti-Odor technology prevents the growth of odor causing microbes.
  • Thumbholes keep sleeves secure and help seal in your body heat.
  • Raglan sleeve construction and flatlock stitching allow a full range of motion without chafing.
  • 93% polyester, 7% elastane.
  • Machine wash cold, tumble dry low.
  • Imported.
  • Measurements:
    • Length: 25 in
  • Product measurements were taken using size XS (US 0-2). Please note that measurements may vary by size.
  • View This Model's Measurements

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Item Information

  • Facing insane temperatures? This is what you're gonna want to put on first.
  • UA Base™ 4.0 delivers heat like no other, keeping you warm even in the brutal cold.
  • Soft, brushed negative grid interior traps hot air, providing superior warmth.
  • 4-Way Stretch fabrication allows greater mobility and maintains shape.
  • Signature Moisture Transport System wicks sweat away from the body.
  • Quick-dry fabrication keeps you light and comfortable.
  • Anti-Odor technology prevents the growth of odor causing microbes.
  • Thumbholes keep sleeves secure and help seal in your body heat.
  • Raglan sleeve construction and flatlock stitching allow a full range of motion without chafing.
  • 93% polyester, 7% elastane.
  • Machine wash cold, tumble dry low.
  • Imported.
  • Measurements:
    • Length: 25 in
  • Product measurements were taken using size XS (US 0-2). Please note that measurements may vary by size.
  • View This Model's Measurements
View Zappos.com Glossary of Terms

Find something wrong in this description? Help us fix it! Report An Error

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Customer Reviews

Under Armour UA BASE™ 4.0 Crew

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Overall: Rated: 5 stars! Comfort: Rated:5 stars! Style: Rated:5 stars!
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I absolutely love this! I usually wear an XS but it was a little snug in the shoulders so I went for the S. I wore this under a sweatshirt and ski coat today in 5° weather and was not cold! It is well worth the money! I am kicking myself for not getting one sooner.

  • from Ithaca, NY
Overall: Rated: 5 stars! Comfort: Rated:5 stars! Style: Rated:5 stars!
Was this review helpful?

Best base layer I've ever owned. I wore this plus my ski jacket in Colorado in January. I had sweat rolling down my back. It does fit very snug thru the shoulders. I stretched it out a bit and it worked fine.

  • from Fairhope, AL
Overall: Rated: 5 stars! Comfort: Rated:4 stars! Style: Rated:3 stars!
Was this review helpful?

Super warm! I wore it to a freezing Packer game under some layers and I'm wearing it skiing today. I'm 5'4" about 135-140lbs. I got a medium. It's really snug but not uncomfortable snug. Hopefully that's how it's supposed to fit! Super warm! It's for sure a base layer I wouldn't wear it with anything you'll ever see they layer because you can actually see the little squares of warm fabric as an imprint, if that makes any sense? Same reason why I'm not sure I would get the pants on this base layer...probably not too flattering if you're ever wearing these layers by themselves.

  • from Minneapolis Minnesota
$84.99

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