• UA Base 4.0 is built for extreme cold weather and lower activity. It uses a unique pattern that's designed to trap heat without adding bulk. Think long underwear, revamped for today's top athletes.
• UA Base™ 4.0 Extreme Baselayer is our warmest yet, delivering extreme warmth in the extreme cold
• UA Scent Control Technology to keep you undetected in all pursuits
• Soft, brushed grid interior traps air, managing your body's microclimate to keep you warm & comfortable
• Material wicks sweat & dries really fast
• 4-way stretch construction moves better in every direction
• 78% Polyester, 22% Elastarell
• Imported

Shipping Note: Shipping to Alaska, Hawaii, P.O. Boxes, and APO addresses is not available for this item.

Warranty: 30 Day Woot

The units in this sale are being sold as open box condition. That means that they have been opened due to being a photo sample, a tested good customer return or having damaged packaging. Some non-essential items may be missing from the box. The unit may not be shipped in retail packaging. That is the reason for the reduced sale price and the reduced warranty.