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Black Diamond
Momentum Full Body Harness - Kids'

4.857142857142857 out of 5 stars
21 Reviews


Size Chart


Momentum Full Body Harness

The Black Diamond Kids' Momentum Full Body Harness isn't just for rock climbing—it's great for hanging on ropes and giggling, according to your kid, at least. This child-friendly harness boasts the full support and excellent comfort required for a day full of fun. Adjustments at the legs and shoulders offer a secure fit as your tyke grows throughout the climbing season.


  • Child-friendly harness for learning how to climb
  • Adjustable leg loops and shoulders for a secure fit
  • High tie-in point keeps kids upright
  • Maximum user weight of 88lb [40kg]
  • Item #BLDZ97F
Claimed Weight
Leg Loops
Manufacturer Warranty
1 year

Overall Rating

5 based on 21 ratings

Review Summary

1 Stars - 0 reviews
2 Stars - 0 reviews
3 Stars - 0 reviews
4 Stars - 3 reviews
5 Stars - 18 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

August 7, 2023

Works Great!

Kid is comfortable and doesn't seem to have any issues with it when he's on top rope. If he's happy, I'm happy!

Bradley E.

Originally reviewed on

5 out of 5 stars

July 25, 2023


Excellent harness. Will last my daughter for years.

Anjuli B.

Originally reviewed on

5 out of 5 stars

February 21, 2023

Overall Great Harness for Kids

We have a kids harness from another brand and the location of the buckles caused some uncomfortable rubbing on the neck. As soon as we our kid started climbing in this harness she never complains about sore spots or pressure areas. Harness is lightweight, durable, and packs down nicely. fits our kids ages 3 and 5. im sure it will fit a 6yr old and possibly a 7yr old depending how fast they grow.

Jaron B.

Originally reviewed on

4 out of 5 stars

January 27, 2023


My 2-year old will do one route with this harness, but usually wants to take it off after about 20-minutes. Probably just because she's little and might be a tad uncomfortable.

Robert W.

Originally reviewed on

5 out of 5 stars

December 17, 2022

You need this

Perfect harness for my kid to learn and for me to feel comfortable about her safety

Sabra D.

Originally reviewed on

5 out of 5 stars

December 13, 2022

Best kids harness out there

Comfortable with great adjustability. It’ll fit out kid for years. Seriously high quality piece of equipment.

Tyler B.

Originally reviewed on

5 out of 5 stars

September 29, 2022

Parent approved

Quality harness. Love that I can introduce my little one to climbing at such a young age. Kids are fearless so having a quality harness you don’t need to worry about puts my mind at ease. Price point is good as well so I won’t have hard feelings when he grows out of it. This harness is adjustable so I should be able to get a few years of use out of it before he is ready for something new. Big props to Black Diamond for considering the kids.

user image
Dave M

Originally reviewed on

5 out of 5 stars

September 28, 2022

My 2 year old loves this. Haven’t used it for climbing yet, but I set up a swing in the basement that she loves!

Ross B

Originally reviewed on

5 out of 5 stars

September 26, 2022


So cool putting your kid in one of these and immediately envisioning decades of climbing joy together. Feels great starting their rock adventures in BD gear. Well designed harness. Great fit on my 2 y/o and looking forward to him growing in it for several years.

Nathan O.

Originally reviewed on

5 out of 5 stars

August 20, 2022

My daughter loves it

I can't stop my 4-year-old from climbing things she's not supposed to so we got this for her so that she can climb something safely for a change. She's very comfortable with it, and it's secure and easy to adjust. It turns out she's three times better at climbing when you remove the fear of falling.

user image
Benjamin L.

Originally reviewed on