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Black Diamond
Coefficient 1/4-Zip Fleece Jacket - Men's

4.857142857142857 out of 5 stars
14 Reviews
$112.00 - $160.00
Up to 30% off
Color:Black

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Why We Like The Black Diamond Coefficient 1/4-Zip Fleece Jacket

Skintrack, ice wall, alpine crack system, or a mixture of it all, the Black Diamond Coefficient 1/4-Zip Fleece Jacket gives our core the breathable warmth it needs to keep us moving. The grid-fleece construction holds in warm air while boosting breathability and moisture management to ensure we feel just right during the climb, the view soak, and the descent.


Details

  • Lightweight midlayer for high-output wintertime pursuits
  • Breathable fleece material to help regulate your temp
  • Gridded fleece interior enhances moisture management
  • 1/4-zip front allows an easy on-off and venting
  • Low-profile hood fits comfortably under your helmet
  • Thumbholes help keep your sleeves in place
  • Zippered chest pocket stashes your phone
  • Item #BLDZ9JE
Responsible Collection
[face fabric] bluesign® APPROVED
Material
[face fabric] Polartec Power Dry Fleece (51% polyester, 36% nylon, 13% elastane)
Fleece Weight
lightweight
Fit
slim
Length
hip
Hood
fixed, under-the-helmet
Pockets
1 zippered chest
Thumbholes
yes
Activity
skiing, snowboarding, climbing, mountaineering
Manufacturer Warranty
limited lifetime

What do you think about this product?

Overall Rating

5 based on 15 ratings

Review Summary

1 Stars - 0 reviews
2 Stars - 0 reviews
3 Stars - 0 reviews
4 Stars - 2 reviews
5 Stars - 13 reviews

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5 out of 5 stars

February 20, 2025

Great

Perfect design. Black diamond hits another home run!

Harold
blackdiamondequipment.com

Originally reviewed on blackdiamondequipment.com

5 out of 5 stars

January 26, 2025

Streamlined!

A nice slim fitting fleece that isn’t bulky under a shell. It has great stretch and love the thumb holes!

John F.
blackdiamondequipment.com

Originally reviewed on blackdiamondequipment.com

5 out of 5 stars

January 17, 2025

Really great layer

I needed the right layer for splitboarding becuase I get really hot quickly. This has been a really nice addition. I'm 5'11" and 185lbs and the large is form fitting. I'll wear a smartwool t-shirt underneath and that is it. It kept me warm when I needed it but when I zipped it all the way down I was perfectly cool.

Bryson P.
blackdiamondequipment.com

Originally reviewed on blackdiamondequipment.com

5 out of 5 stars

January 12, 2025

Great fit and warm

I normally wear a size small but ordered this in a medium and it fit perfect. Not like some of their other product in terms of fit. The material is relatively thick so it works well for medium pace running with a t-shirt underneath in 35 degree light wind sunny conditions. Also a tread mid layer if using a windproof insulated shell in higher alpine cool weather with wind and low intensity activity.

Patrick D.
blackdiamondequipment.com

Originally reviewed on blackdiamondequipment.com

5 out of 5 stars

September 14, 2024

Awesome

I love the Coefficient Quarter Zip. Great for cool weather with a t-shirt, and also as a layer.

james c.
blackdiamondequipment.com

Originally reviewed on blackdiamondequipment.com

5 out of 5 stars

June 11, 2024

Buy before their sold out!

A must have sweater! For run, for trad and ice climbing. Best all around sweater in years. I fit better in the xs man ( I’m a lady wearing XS women. ) Shoulders a bot larger and it stays fit at the bottom.

Myriam G.
blackdiamondequipment.com

Originally reviewed on blackdiamondequipment.com

5 out of 5 stars

February 7, 2024

Awesome hoody!

Breathable, stretchable, and warm... this hoodie is perfect for hiking during the shoulder seasons in Virginia. Fit: The medium size has no extra room and I am 5'8" and 143 lbs.

Gary G.
blackdiamondequipment.com

Originally reviewed on blackdiamondequipment.com

5 out of 5 stars

January 14, 2024

Amazing fit

I have a lean muscular build and am 6'1" 160 lbs. This fits me perfectly and is very cozy/warm while still being breathable and light.

Andreas G.
blackdiamondequipment.com

Originally reviewed on blackdiamondequipment.com

5 out of 5 stars

December 20, 2023

Coefficient 1/4 Zip

I own several mid layers of this realm from many diff companies. The Coefficient ranks up there with the best in looks and function. The Co was my first Black Diamond purchase. I'll be sure to buy more gear

Anthony
blackdiamondequipment.com

Originally reviewed on blackdiamondequipment.com

5 out of 5 stars

November 17, 2023

Love the fit

I have a full zip version of the same item and it is my go to for backpacking and skiing. The hood is great under a ski helmet. This one will be used for running too. My favorite Black Diamond product.

Michael E.
blackdiamondequipment.com

Originally reviewed on blackdiamondequipment.com

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