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Mountain Hardwear
Polartec Power Grid Half-Zip Jacket - Men's

4.666666666666667 out of 5 stars
21 Reviews
Current price: $63.00 - $101.49 Original price: $144.99
Up to 55% off


Size Chart


Why We Like The Polartec Power Grid Half-Zip Jacket

Whether our trek leads us to the brightest views of the changing leaves or the perfect point to drop our skis into powder, the Polartec Power Grid Half-Zip Jacket is our choice midlayer. Not only is this fleece made from recycled materials, reducing waste and energy consumption in the production process, but it's also designed in such a way that both breathability and thermal performance take priority. The grid knit creates air channels so more air can pass through without losing heat on the way out.


  • Sporty fleece pullover for added insulation on cold-weather outings
  • Polartec Power Grid fleece made from eco-friendly recycled materials
  • Grid knit design boosts both warmth and breathability
  • Hydrophilic next-to-skin surface absorbs and wicks away moisture
  • Elastic-bound collar and hem keep heat close to the torso
  • Raglan sleeves with underarm gussets improve range of motion
  • Item #MHWZ9OX
Responsible Collection
Polartec Power Grid (60% recycled polyester, 33% polyester, 7% elastane)
Fleece Weight
Center Back Length
1 zippered chest
half-zip front
Claimed Weight
[medium] 12.1oz
hiking, ski, snowboard
Manufacturer Warranty

Overall Rating

4.5 based on 21 ratings

Review Summary

1 Stars - 0 reviews
2 Stars - 1 reviews
3 Stars - 1 reviews
4 Stars - 2 reviews
5 Stars - 17 reviews

Fits True To Size

Screen reader users: the following list provides a visual scale to illustrate the product fit. Please refer to the heading above for the fit type in text.
Runs smallTrue to sizeRuns large

What do you think about this product?


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5 out of 5 stars

May 2, 2024

MT HW Polartec

I've put it through the wringer
Size Bought:

Love it

The House
5 out of 5 stars

April 5, 2024

Picked this up for the 3 passes Nepal Trek. It's a winner!. Let's air pass through for venting while strenuous hiking and keeping you warm when you stop to take a look around. Add a super light wind breaker and it is a the ultimate two piece trekking gettup!


Originally reviewed on

5 out of 5 stars

March 26, 2024

Great layer for ice and alpine climbing.

Great layer! Wore as mid layer ice climbing and alpine climbing. Sizing fits as if its the 1st/2nd layer.


Originally reviewed on

4 out of 5 stars

March 3, 2024

Fantastic midlayer

Excellent warmth for the thickness and weight. Thumb loops help to provide a nice seal when wearing gloves to prevent heat loss. It feels a little different under the arm pits due to the stitching but its hard to notice with a base layer on underneath and you are moving and rucking around. Neck fabric is not irritating to the skin. Overall fabric withstands friction and abrasion well.


Originally reviewed on

4 out of 5 stars

March 2, 2024


I love the color, which is purple even though is says blue. Nicely breathable and I like the thumb loops. I would like it to be a little softer on my skin as it feels a little rough


Originally reviewed on

5 out of 5 stars

February 19, 2024

I’m have 2 of these. Solid mid layer.

I have this in two colors. One of my most used pieces of gear. Great for stand alone warmth. Great as a base layer.


Originally reviewed on

5 out of 5 stars

February 15, 2024

One of the best fleece ever!

Polartec grid fleece has been my favorite fleece material for years. It is warm and breaths better than any other fleece on the market. MW nailed it! Great fit, good useable sized pocket, a true half zip, and a great cuff design!! Love this fleece


Originally reviewed on

5 out of 5 stars

February 14, 2024

One of the best layers.

One of my favorite layers. Great quality fleece, warm but still very breathable. I’m 5’11” and 185 with an athletic build. Had to go with a large to get the shoulders to fit comfortably but the body is a bit boxy. The medium was the preferred body size but was tight in the lats and forearms. But still giving it 5 stars because of the fleece.


Originally reviewed on

5 out of 5 stars

February 9, 2024

Terrific mid layer

Love the warmth and the fit-- cut closer to the body above the hips and slightly longer than others. Another great product from Mountain Hardwear.


Originally reviewed on

5 out of 5 stars

February 9, 2024

Great fleece

Great fleece. Very warm for it's weight and thickness. Run's a little smaller than previous MH pullovers I've purchased.


Originally reviewed on