Women's ColdGear® Reactor Jacket

Style # 1303113
Height: Size: Fit: Fitted
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Due to limited quantities, only 100 allowed per customer.
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Height: Size: Fit: Fitted
Women's ColdGear® Reactor Jacket

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Product DNA

It’s our smartest insulation ever. No, really. It’s designed to trap in heat on the coldest days, but then circulate it away from your body if you start to feel too warm, so you never overheat. Brilliant.
  • Fitted: Next-to-skin without the squeeze
  • ColdGear® Reactor is intelligent insulation that adapts to your activity level for the right breathability & warmth for what you're doing
  • UA Storm technology repels water without sacrificing breathability
  • Windproof materials & construction shield you from the elements
  • UA's exclusive MagZip™ closure clicks & holds together for easy, struggle-free zipping
  • Lightweight, water-resistant, quick-drying performance
  • Fleece-lined zippered hand pockets for extra warmth & protection
  • Adjustable hem for a custom fit
  • Stand collar with chin guard for superior comfort & coverage
  • Fully packable into its own chest pocket
  • Machine washable & hypoallergenic
  • 100% Polyester
  • Imported


This is what makes our gear work harder—and smarter—than anything else out there.


This is the layer athlete’s trust when the mercury drops. ColdGear® eliminates the need to wear heavy, bulky gear in cold weather.

Review Summary

14 Reviews


Runs small Runs large


Min. Max.


Min. Max.

So very warm but light and comfortable.

Love this jacket. It’s light and easy to stuff into a backpack. It’s also very warm. I usually have a stretchy run top underneath for post run warmth but the jacket itself is also very warm and comfortable. It’s quite fitted and runs a little large. If you’re between sizes I’d go down a size. The colour is also a brighter blue than the picture but I like it.

Light, warm and looks good.

Really like this jacket - warm, light, and comfortably fits both single and multiple layers underneath. The fit is great, but does seem to run a bit large - I bought a size S and had to re-purchase for an XS. I find this with most UA clothes though; being an American brand the sizes are on the larger side. The 'Magzip' is a bit annoying and I'm still getting used to it.

Fit is great

Fit is great, colors run true. Very packable, even lighter than expected , great mid warmth [This review was collected as part of a promotion.]

Great warmth

Bought this jacket for my gf to wear to her sons hockey games. Keeps her plenty warm without the bulk of a parka jacket. Very lightweight. [This review was collected as part of a promotion.]

Super lightweight and warm

I love this jacket. I bought it for late October through November weather between 30-50 degrees. It's very light (lighter than a T-shirt!), but keeps me warm. The fleece pockets are cozy. Movement is not restricted in any way. I bought XS, but there is still room for warm sweaters. The jacket kept me dry through a rain. Overall, great quality! [This review was collected as part of a promotion.]

Light but warm

I had this jacket in men's and liked it. My wife asked for one in women's and then I even purchased one for my daughter. We needed light, but warm, jackets to knock around Europe for 10 days this late Fall. The weather was in the 40's to 60 degrees and the jackets were PERFECT. I could not more highly recommend this product. The weight/size and other info provided are for my wife since this is a review of her jacket (she does love it!). [This review was collected as part of a promotion.]

Nice shopping

It's fast to ship and delivering! It's nice cloth, beautiful, comfortable and warm. [This review was collected as part of a promotion.]

super light

i love this jacket... now i need one more with Hood could be men sizes [This review was collected as part of a promotion.]


I'm 5'3 and I weigh 107 lbs. I have long arms, small waste with wide hips if that describes my body type for the fit of this jacket. I could not find any reviews that detailed the body type and what size people ordered so I hope this helps. I ordered this jacket in March in a size Small and it was too big for me, so I returned it. I wanted to wait and repurchase it once it was on sale. **This time I ordered a "XS" in the color Carbon Heather / Rhino Gray and it fits perfectly on my arms. I'd say it fits just right in length but I prefer it to be longer on my torso but that is just my preference. The color is exactly like the photo. It's extremely lightweight, I've never worn a jacket this comfortable. It's the beginning of September so I have not got to wear it during cold weather, my apologies to anyone needing to know if its warm enough. I live in North Texas and I can not tolerate the cold, even though I'm an outdoorsman. If this jacket is successful in keeping me warm this winter, then I will Retire my old faithful carhartt coat. This jacket is a lot of money to me, so I desperately need it to do its job of regulating my body heat. I really hope it does. If you do decide to purchase this jacket, you might need to return it to get a size down. They only allow returns for online purchases not exchanges. So choose wisely with the size you order.

this product was terrific.

Nice and light. Kept me toasty warm. Perfect jacket for an outdoor adventure! [This review was collected as part of a promotion.]