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Marmot Reactor Polartec® Microfleece Jacket

Item #6JJUJ
3.7 out of 5 stars. (3) Write a review
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Overview

About Marmot Reactor Polartec® Microfleece Jacket

Closeout. Stay warm during hikes and outings on cool days with Marmot's Reactor jacket, made from soft, breathable, fast-drying Polartec® Classic Microfleece fabric and a movement-friendly fit.

  • Polartec® Classic Microfleece fabric offers warmth without weight and is durable, highly breathable and quick drying
  • Stand collar
  • Zip chest pocket
  • Zip hand pockets
  • Flatlock seams help reduce chafing
  • Straight hem
  • Made in Vietnam

Specs

Specs about Marmot Reactor Polartec® Microfleece Jacket

  • Long sleeves
  • Closure: Zipper
  • Fabric: 100% recycled polyester (shell), 100% polyester (lining)
  • Care: Machine wash cold, tumble dry low
  • Made in Vietnam

Reviews

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3.666666 5 Overall Rating: 3.7 3.666666 Based on 3 reviews

Most Helpful 5-Star Review

5.0 out of 5 stars. Thin but warm
Reviewed by Pearlchaser from Texas on Friday, March 20, 2026
True to size with an athletic cut, but with some room for muscles and a gut. They are very thin compared to regular fleece, but surprisingly warm nonetheless. This make them perfect for layering without the bulk. Perfect for active folks.
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  • 5.0 out of 5 stars. Thin but warm
    Reviewed by Pearlchaser from Texas on Friday, March 20, 2026
    True to size with an athletic cut, but with some room for muscles and a gut. They are very thin compared to regular fleece, but surprisingly warm nonetheless. This make them perfect for layering without the bulk. Perfect for active folks.
    0 comments Leave a comment Helpful (0) Flag inappropriate
  • 5.0 out of 5 stars. They always get my orders correct
    Reviewed by Peter from Your mom's tent on Friday, February 20, 2026
    This is an incredible price on a lightweight layering fleece. The retail hangtag is $105. I order THOUSANDS of dollars worth of items from Sierra a year, and have ordered from them since they were STP starting about exactly 30 years ago. They have never sent me the wrong size. The things people complain about in the reviews on this site will simply never cease to amaze me.
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  • 1.0 out of 5 stars. fooling around
    Reviewed by andrii from Delaware on Sunday, February 15, 2026
    be careful instead of L, they sell XXL.
    0 comments Leave a comment Helpful (1) Flag inappropriate

About Marmot

Conceived in a university dorm room by a pair of climbing buddies, Marmot Mountain Works first opened its doors in the spring of 1974 in Grand Junction, Colorado. At the time, the base of operations was a 100-year-old stone building. That same year, the first Marmot down jacket was produced specifically for an action flick called “The Eiger Sanction,” starring legendary actor Clint Eastwood. In the four decades since, Marmot has continued to engineer reliable gear that exceeds the expectations of outdoor athletes. Today, Marmot tents, backpacks, outerwear, clothing and Marmot sleeping bags are still pushing the limits in the planet’s most challenging conditions, from the summits of the world’s highest mountains to the deepest river basins.
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Average Rating: 4.4 out of 5 stars.
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