UA Base 4.0 is a men’s baselayer 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 is our warmest yet, locking in your body’s heat to deliver extreme warmth in the extreme cold
- UA Scent Control Technology to keep you undetected in all pursuits
- Soft, brushed grid interior traps air against your skin, managing your body’s microclimate to keep you warm & comfortable
- Material wicks sweat & dries really fast
- 4-way stretch material moves better in every direction
- Fitted: Streamlined fit that’s not too tight or too loose.
- Style #: 1353349
- 78% Polyester/22% Elasterell
- Imported
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Dh2207 Verified Buyer –
Great Product
I bought these for my boyfriend who is an avid hunter and Lineman, he loves them! They keep him warm without getting sweaty!
Guls Verified Buyer –
Warm, Comfortable, and Reliable
This base layer is a game changer for cold weather. It is incredibly warm without being bulky it fits perfectly and wicks moisture like a pro. Ideal for any winter activity highly recommend!
Cold Hands Need Gloves Verified Buyer –
Cold Gear
This gear is amazing!! Top of the line! Remember to buy it on sale as 100 bucks is a lot!! Top and Bottom would cost you 200 gold coins but on sale 40% it’s only 120 gold coins!
Jm6990 Verified Buyer –
Great replacement for a coat
I don’t like wearing a coat in Wisconsin. I wanted a solution that provided warmth while still fitting my aesthetic. This base layer 4.0 has been perfect for me. It’s fitted, not bulky and makes a huge difference in keeping my chest and arms warm with just a long sleeve on top of it. I recommend!
Noah ch Verified Buyer –
SO WARM!
This shirt blew my expectations away. I wear this on patrol and it keeps me warm throughout the night. I usually wear size L but got a M and it is nice and snug.
Frank601 Verified Buyer –
Men’s 4.0 Base Layer Crew
The whole process of ordering and recieving was wonderful, and the quality once they arrived is top notch. If you’ve been on the fence about ordering get off of it and do it!
JohnG111 Verified Buyer –
Baselayer 4.0
Absolutely amazing – wore on single digit weather and only my hands and feet were cold
JG247 Verified Buyer –
Very warm
The fit was great and the warmth is what I have come to expect with UA cold gear