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Mountain Hardwear - Kor Preshell Pullover Jacket - Men's

Mountain Hardwear Kor Preshell Pullover Jacket - Men's

45% Off
$54.99 Original price:$99.99
Changing the size selection, or changing the selected color after selecting a size, may change the associated price

Item #MHW01AQ




Tech Specs

Pertex Quantum Air (20D stretch nylon ripstop, DWR coating)
not taped
Center Back Length:
1 zippered chest
Claimed Weight:
Manufacturer Warranty:

Kor Preshell Pullover Jacket

Ideal for your longest runs in cool spring conditions, the Mountain Hardwear Kor Preshell Pullover Jacket delivers weather-resistant protection and high levels of breathability for hard-to-guess weather. Described by Mountain Hardwear as a "Preshell", this ultralight pullover strikes a balance between a performance top and a weatherproof shell.

It accomplishes this task thanks to its Pertex Quantum Air fabric, which is both air-permeable and weather-resistant, protecting you from light rain and wind without trapping your body heat as you pick up the pace. The Kor Preshell is also light in weight and made with an engineered stretch fabric ensuring light and easy movement on blistering trail runs. Best of all, when calm and mild weather returns, you can stuff the entire jacket into its chest pocket, toss it in a pack or pocket, and continue on your way.

  • Ultralight windbreaker for speedy spring trail runs
  • Pertex Quantum Air resists wind and water without trapping heat
  • Stretchy construction ensures free movement for quick workouts
  • Deep chest zipper offers quick ventilation on warmer days
  • Packs easily into its own pocket for easy mid-run storage

Pertex Quantum Air = Favorite

  • Familiarity: I've put it through the wringer
  • Fit: True to size

Windbreakers come in a few different fabrics and most tend to feel like a gritty nylon trash bag in the hand. Patagonia's Houdini, Arcteryx Squamish, and most mainstream running brand wind breakers are all some 20D-40D nylon, and they tend to be swishy, loud, and have a gritty, plasticky, unbreathable impenetrable sorta feel to them. Which is fine for some use-cases, but bad for others.

The Kor Preshell family is different. It has a smooth, silky handfeel and is quieter. It breaths so much better and packs down smaller. Goretex is great for 3L waterproof jackets, but Pertex is my choice for lighter layers. I love this material.

No technical value

  • Familiarity: I've used it several times
  • Fit: Runs small
  • Size Bought: XL

Bought this because it says it offers wind no. This paper thin pullover is pretty much a worthless piece of technical gear except if perhaps you want to use it to watch TV. Can't believe these are msrp of $100. Should be a $10 jacket.

Guess you don't run in windy areas.

Tight in the pits

  • Familiarity: I returned this product before using it
  • Fit: True to size
  • Size Bought: M

I was looking at grabbing one of these for a while mainly as a winter running layer. Finally did on sale. The material and jacket is exactly what I wanted- just a light layer to cut the wind but that will also breathe. Unfortunately, the fit in the shoulder was quite narrow for me and the material in the arm pits/under the biceps really bunched up and was tight/digging in. Might have been ok but was definitely worried about discomfort/chafing on runs especially with a light layer or two beneath so I ended up returning this unfortunately. Everywhere else it fit quite well. So for sizing, I'd say it runs true to size everywhere except if you're a bit wider this might not be the one.

Light & packable

  • Familiarity: I've used it several times
  • Fit: True to size
  • Size Bought: XL

I’ve used this pullover in light rain and it kept me dry. The material is soft and comfortable with a slight stretch. It fits in a small pocket for runs where I may encounter rain.

Mountain Hardwear

Men's Apparel
Pant Size30, 3132, 3334, 3638, 4042

36 - 38in

(91 - 97cm)

39 - 40in

(99 - 102cm)

41 - 43in

(104 - 109cm)

44 - 46in

(112 - 117cm)

48 - 51in

(122 - 130cm)













29 - 31in

(74 - 79cm)

32 - 33in

(81 - 84cm)

34 - 36in

(86 - 91cm)

37 - 39in

(94 - 99cm)

41 - 43in

(104 - 109cm)


36 - 38in

(91 - 97cm)

39 - 40in

(99 - 102cm)

41 - 43in

(104 - 109cm)

44 - 46in

(112 - 117cm)

48 - 50in

(122 - 127cm)


Short 30in (76cm)

Regular 32in (81cm)

Long 34in (86cm)

How to Measure:
All measurements correspond to equivalent body measurements, not the dimensions of the garment. For best results, take measurements over your underwear.
Measure under your arms, around the fullest part of your chest.
Measure from the center of your back to your wrist with arms held out.
Measure around your natural waistline, keeping the tape a bit loose.
Measure around the fullest part of your body at the top of your legs.
Using pants that fit well, measure the crotch seam to the bottom of the leg.