Winter Gear Guide—The Best Boards, Skis & Gear
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Black Diamond Momentum 4S Harness


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  • Anthracite, L/XL
  • Anthracite, XXS/S

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Why We Like The Momentum 4S Harness

Conquer the crag with reliable support in Black Diamond’s Momentum 4S Harness. This versatile harness features maximum adjustability for a large range of fit, with two speed buckles at the waist, and one at each leg loop for easy adjustment whether you’re climbing with your winter-warmest gear on, or going minimalist in scorching heat. A tall, bullhorn-shaped waist belt keeps comfortable for long belays.

  • A adaptable and versatile harness for all-purpose climbing
  • Maximum adjustability accommodates winter or summer layers
  • Two speed buckles at waist and each leg loop for secure fit
  • Tall, padded bullhorn shaped belt is comfortable and supportive
  • 4 pressure-molded gear loops secure all of your essentials
  • Item #BLDZ97B

Dual Core Construction
Speed (pre-threaded)
Adjustable Leg Loops
Speed (pre-threaded)
Gear Loops
4, [XX-small/small] 2
Claimed Weight
Recommended Use
sport climbing, trad climbing
Manufacturer Warranty
1 year

Tech Specs

What do you think about this product?


>Rating: 4

Feather Light & Nicely Padded

I've used it once or twice and have initial impressions
True to size
Size Bought
5` 11"
235 lbs

I'm sublimating my frustration at not being able to climb by making a series of equipment purchases; and kinda liked the looks of this harness. Upon receipt, it's much lighter than my Petzl Calidris, but nicely padded in both the waist and legs = a feature that attracted me. I like the "switchback" buckles and they've cleverly built in tabs at the end of the straps so they'll stay put once you've adjusted. I was pleasantly surprised to discover it features a double belay loop for longer wear. Be advised it only has four somewhat small gear loops, so it's likely intended for easy sport climbing??? In summation, a nice basic+ harness; definitely good for gym and maybe also for the outdoors with a light rack = we'll have to see when we can all get out and get climbing again.