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The Mountain Hardwear Women's Beta Power 1/4-Zip Long-Sleeve Top keeps your core comfy so you can start your day with an early-morning, blood-pumping training session. Feel-good fabric helps manage moisture so your body can better regulate its temperature, and the smart design makes movement easy.

  • Beta French terry fabric helps manage moisture, and it's extremely flexible so you can move
  • Semi-fitted cut is built for performance without being skin-tight
  • Flatlock seams reduce chafing
  • Thumbholes keep your hand warm and your sleeves in place
  • Reflective trim makes you easier to see when your training before the sun comes up
  • Zippered back pocket holds your house keys and an energy bar for emergency refueling

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Mountain Hardwear Beta Power 1/4-Zip Top - Long-Sleeve - Women's

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Here's what others have to say...

1 5

annp443143

Member since 
  • Gender: Female
  • Familiarity: I returned this product before using it

After doing some research and reading the great reviews, I ordered this shirt, with high expectations. When I opened the package, the first thing that struck me was the smell. This shirt smells carcinogenic and plastic-y. Ever opened a memory foam mattress topper package? Like that, only worse. YUCK! As it that wasn't bad enough, this shirt also FEELS plastic-y. Kinda of like neoprene meets plastic soda bottle. I don't know where the "feel-good" "Beta French terry" descriptions came from, but they're not good descriptors of this yucky fabric. Just touching it was unpleasant. I can't imagine wearing it on a run. The styling was also not very female-flattering. It made me look like my ex-boyfriend, the captain of our HS wrestling team. I will be returning this item, and can't do it soon enough.

5 5

Michelle

Member since 
Groups:

I've worn this shirt running in 40 degree weather with a thin shirt underneath and it's kept me perfectly warm. It doesn't smell at all after a long run. I've also worn it hiking either under a jacket or alone and it's been great. I love the fit and the purple color is really unique. As with all Mountain Hardware products, I love this shirt!

5 5

Shaun Kidd

Member since 
Groups:
  • Gender: Male
  • Familiarity: I gave it as a gift, but have feedback to share

My wife loves this shirt. Keeps her warm and is really soft. Sizing is what you expect from MHW. Grab one in each color while they are on sale! Guys get one for your wife cause she will love it.

5 5

Kat C

Member since 
  • Gender: Female
  • Familiarity: I've used it several times

This shirt is super warm! Its the heaviest baselayer shirt I have, its very comfortable and works well on its own as a baselayer for strenous activities like snowshoing/hiking, I occasionally layer a tee underneath but I usually don't need it. I usually layer this shirt w/a fleece pullover and a shell and thats all I need.