Boy's UA Base 4.0 Crew

Meet the all-new UA Base—delivering the same trusted warmth without the bulk—now softer and smoother than ever for unmatched comfort on every adventure.

Features

• UA Base 4.0 Extreme Baselayer is our warmest yet, delivering extreme warmth in the extreme cold
• Material wicks sweat & dries really fast
• 4-way stretch material moves better in every direction
• Updated fabric with improved stretch is softer & smoother for maximum comfort and easier layering
• Dropped, shaped hem
• Raglan sleeves
• Odor control technology minimizes odor

Specs

• Imported
• 93% Polyester/7% Elastane

Under Armour Boy's UA Base 4.0 Crew