WELCOME TO UNDERARMOUR.COM!
THE WORLD'S LARGEST SELECTION OF UA GEAR.

UA Base
Men’s UA Base™ 4.0 Baselayer Crew
MODEL HEIGHT:
WEARING SIZE:
click image to zoom
click to expand
 
Detail photos may not match your selected color

How does it fit?

Fitted

Sits close to the skin for a streamlined fit without the squeeze of compression.

view fit guide

Video

ColdGear®

 

CUSTOMERS ALSO BOUGHT:

Men’s UA Base™ 4.0 Baselayer Crew

SOLD OUT

style # 1230817

On orders over $149.00. Subject to credit approval. See Terms

Sorry, this item is
currently sold out.

Questions? Contact us:

what's it do?

The Men’s UA Base™ 4.0 Crew was built to battle nature’s coldest and most brutal conditions. Its patented negative grid fabric traps heat in tiny pockets to keep you ridiculously warm without feeling weighed down. It wicks away excess moisture in its unique grid channels—keeping you dry and comfortable no matter how hard you work. You can also move with unrestricted ease thanks to UA's super-stretchy fabrication. Facing insane temperatures? Get the performance crew that makes more sense—and delivers more warmth—than anything else out there.

The fundamentals

  • 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
  • Raglan sleeve construction and flatlock stitching allow a full range of motion without chafing
  • 7.5 oz. Polyester/Elastane
  • Imported