UA Base™ 4.0 is built for extreme cold weather and lower activity. Their unique pattern traps 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
- 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 material moves better in every direction
- Dropped, shaped hem
- Raglan sleeve
- Fitted: Streamlined fit that’s not too tight or too loose.
- Style #: 1373299
- 81% Polyester/19% Elastarell
- Imported
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New Soccer mom Verified Buyer –
Excellent base layer for outdoor sports. Light and Not heavy but warm enough for those chilly days and nights to keep your little player nice and warm, even when out in the field. Perfect for winter sports like hockey or soccer. I’m going to be purchasing more of these base layers!
James CG Verified Buyer –
This shirt was absolutely perfect for our son’s outdoor soccer. He was warm and comfortable for the outdoor session. We have already ordered more!
SkiBear33 Verified Buyer –
4.0 is the best base layer for the price. My kids are competitive skiers in the Northeast. Our winters are harsh and with windchill the temperatures can drop below zero. Using these 4.0 as base layers helps to keep their heat from escaping. They hold up well through washing and the boys playing/lounging in them after skiing too. They both have two sets, and I only replace once they are outgrown. I just wish they came in more colors.
John Meincke Verified Buyer –
Spend money and buy the best performing stuff you can. And this is it. product was true to size. Kids were the other day and were plenty warm.