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Under Armour
Base 4.0 Legging - Women's

3.25 out of 5 stars
40 Reviews
Current price: $62.50 Original price: $99.99
37% off
Color:Black/Pitch Gray

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Size Chart

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Why We Like The Base 4.0 Legging

In extreme cold, these heavy baselayer leggings keep us cozy, even while we're inactive. The Base 4.0 Legging is made for low activity levels, so we love wearing them to stay warm while cold-weather camping, early morning ice fishing, and bunny hill skiing.


Details

  • Baselayer legging for cold conditions and lower activity levels
  • Brushed interior locks in your heat for warmth in extreme cold
  • Fabric wicks moisture and dries quickly during activity for comfort
  • 4-way stretch construction provides a full range of natural motion
  • UA Scent Control Technology repels unwanted odors for fresh comfort
  • Wide flat waistband rests right at hips for comfortable layering
  • Item #UND02PC
Material
81% polyester, 19% elasterell
Insulation Weight
heavyweight
Fit
slim
Style
legging
Anti-Odor
UA Scent Control Technology
Manufacturer Warranty
limited lifetime
Activity
ski, snowboard, hike & camp

Overall Rating

3.5 based on 40 ratings

Review Summary

1 Stars - 7 reviews
2 Stars - 6 reviews
3 Stars - 8 reviews
4 Stars - 8 reviews
5 Stars - 11 reviews

What do you think about this product?

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4 out of 5 stars

March 20, 2022

Good for staying warm, but beware ankle bulkiness

I live in very cold Canada (-20 to -35 celsius from December through February), and like to get out to run, skate, hike, etc. I have had the base 3.0 for a couple of years, but found that it wasn't quite enough - especially the days that were in the -20's, and I didn't want to wear my bulky snow pants to run or skate. I bought the base layer 4.0 in the fall of last year, and have used them, along with snow pants, in -40 weather for some hikes - and I was so warm!! Also have used them along with lighter layers to skate, and they're pretty good down to about -25 with minimal layers on top. My biggest complaint, as others have found, is that the material around the ankles is very bulky. This then bunches up under the skates or boots, and is very uncomfortable. With the 3.0, I never had that problem. Would be great if UA could fix that for their future modifications of the product.

Itiscolduphere
Under Armour

Originally reviewed on Under Armour

5 out of 5 stars

March 12, 2022

Mom on the go

[This review was collected as part of a promotion.] I have four kiddos in many sports. These are amazing to keep me warm! I can always add another layer onto to for extra insulation! My husband stole them to hunting, and LOVES them! Our teen has stolen them during snowstorms. They are an all around AMAZING purchase! Looking into getting all four kiddos and my husband a pair. I am 5’2 and 190lbs got the large at first. Then, I exchanged them for the xl which fit my waist better, but are baggy in my legs. My husband is 5’6 and 155 he loves the way they fit (he doesn’t like anything loose.) our daughter is 5’4.5” and 150 they for her well. She has thicker legs than I do and they fit her like a true glove! I hope this helps with sizing!

Mom on the go
Under Armour

Originally reviewed on Under Armour

5 out of 5 stars

March 2, 2022

This leggings are great for cold weather.

[This review was collected as part of a promotion.] True to size and very comfy. You wear it everywhere you go.

Under Armour

Originally reviewed on Under Armour

5 out of 5 stars

March 1, 2022

Warm and Not Too Thick

[This review was collected as part of a promotion.] These were perfect for a early winter trip to CO! They're thick enough to retain warmth and can be warn alone and yet thin enough to be a base layer under pants. I would highly recommend. They don't have any thick lining. So, you don't have to worry about sizing up. They are perfect as-is!

PGez
Under Armour

Originally reviewed on Under Armour

5 out of 5 stars

February 24, 2022

Cold gear 4.0

[This review was collected as part of a promotion.] I purchased these 4.0 cold gear bottoms for deer hunting in Arkansas where we can get some pretty cold days. They work great under my hunting pants. Will definitely purchase more!

SBryan
Under Armour

Originally reviewed on Under Armour

5 out of 5 stars

February 24, 2022

Very warm and comfortable!

[This review was collected as part of a promotion.] Thick enough to keep you warm, comfy fabric. Run a little loose.

TammyBrown
Under Armour

Originally reviewed on Under Armour

5 out of 5 stars

February 22, 2022

Comfortable and warm.

[This review was collected as part of a promotion.] Very comfortable without waistband digging in. Warm enough for cold temps but not prolonged and bitter cold. At times it gets <-40 Celsius here and these are good for short periods outside, under your clothes. These also don’t make me itchy

Tania1
Under Armour

Originally reviewed on Under Armour

5 out of 5 stars

February 18, 2022

Base layer 4

[This review was collected as part of a promotion.] Love them, extreme warmth , so much warmer than base 3, I like the looser fit in the legging

Base layer
Under Armour

Originally reviewed on Under Armour

3 out of 5 stars

February 5, 2022

Fit Great but not optimum for cold

Bought to take with me on a winter trip. They fit and look great. However, they did not keep my legs as warm as another brand in subzero weather.

Sm3543
Under Armour

Originally reviewed on Under Armour

2 out of 5 stars

December 28, 2021

Fit is Wrong

I had the old version of these leggings, and asked for a new pair for Christmas. I will sadly have to return. They are baggy from the mid-calf down. Like... extremely baggy. This totally defeats the ability to retain body heat so this seems like a major design flaw. I ordered an XS so there is no way to size down.

LynseyS
Under Armour

Originally reviewed on Under Armour