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Black Diamond
Coefficient LT Hybrid Vest - Men's

4 out of 5 stars
3 Reviews


Size Chart


Why We Like The Black Diamond Coefficient LT Hybrid Vest

We like the Black Diamond Coefficient LT Hybrid Vest for its lightweight warmth, moisture-wicking properties, and insulated front panel. Whether we're hiking our favorite trail, enjoying a fall bouldering session, or on an early morning trail run, this vest has us covered.


  • A lightweight vest designed for extra warmth during outdoor adventures
  • Polartec Power Grid fleece increases breathability and moisture-wicking properties
  • The insulated woven front panel provides just enough warmth
  • Thumb-loops offer over the hand protection
  • A single zippered chest pocket stores small essentials
  • Item #BLDZ9KM
Responsible Collection
bluesign® approved
[Shell 1] Polartec Powergrid polyester stretch grid back fleece (90% Polyester, 10% Elastane, 119gsm), [Shell 2 & Lining] Nylon light weight stretch woven (100% Nylon, 44gsm), [Insulation] Primaloft Silver Breathable Insulation (100% Polyester, 40gsm)
Fleece Weight
Center Back Length
zippered chest
Claimed Weight
Manufacturer Warranty
limited lifetime
climbing, running, mountaineering, backpacking, hiking

Overall Rating

4 based on 3 ratings

Review Summary

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

What do you think about this product?


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5 out of 5 stars

April 29, 2023


Another quality Black Diamond product! Great for layering or wearing alone on a cool day. I’m 5’11 190ish, large fits great

Luke S.

Originally reviewed on

3 out of 5 stars

April 26, 2023

Big nope…

If all you are looking for is sleeveless insulation, you found it. This vest has no pockets and is really nothing more than an expensive tank top.

Jack d.

Originally reviewed on

4 out of 5 stars

April 4, 2023

Features Aren't Matching Up..

A fairly esoteric piece that appears to be aimed at active insulation. Zippered side pockets and a light elasticed hem would be nice touches, although this is more of a purist item. Features listed on the website need some amending. Thumb loops, hood, and gussested underarm are all glaring mistakes to post on a product page.

Mike C.

Originally reviewed on