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Blue Ice
Addax Harness

5 out of 5 stars
2 Reviews


Size Chart


Addax Harness

At four ounces, the Blue Ice Addax Harness might be the lightest harness on the market actually designed for climbing. Most harnesses hovering around this weight are only supposed to be rappelling, but the Addax has all the certifications required for lead climbing. Despite its lightness, the harness is surprisingly comfortable with padded mesh that provides well-ventilated cush. The self-locking waist buckle and elastic leg loops provide a quick-and-easy fit.


  • Quite possibly the lightest harness designed for cragging
  • Surprisingly comfortable with padded mesh providing ventilation
  • Single self-locking speed buckle at waist
  • Adjustable, removable, and releasable rear elastic riser
  • Four roomy gear loops and two ice screw slots on waist
  • Item #BLX000T
polyester, UHMW polyethylene, high-tenacity PED
Gear Loops
Ice Clipper Slots
Claimed Weight
[size medium] 4.8oz
Manufacturer Warranty
3 years

Overall Rating

5 based on 2 ratings

Review Summary

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

May 14, 2023

Addux Harness - love it!

I've used it once or twice and have initial impressions
Size Bought:
5' 11"

Needed a super lightweight harness for multi day Canyoneering trip with several long rappels. Worked fantastic with super comfortable rappels. Will carry this harness for all my upcoming alpine climbs. The only thing I’ll probably do is add a backup to the skinny belay loop just for peace of mind.

bil100232900 b
5 out of 5 stars

June 13, 2022

Excellent flyweight harness

I've put it through the wringer
Size Bought:
5' 11"

This is an extremely lightweight harness that packs down to the size of a tall boy can and still manages to be a full-featured climbing harness. I barely notice that I have it on when climbing and even hanging belays are fairly comfortable. The dyneema belay loop has scared a few climbing partners but it's certified the same as any other harness and has shown no wear after months of 3x/week gym abuse. There is basically no padding in this thing so if you're looking for a sofa-esque harness this is not for you. On the other hand, this thing is fantastic for any type of gym climbing or single-pitch while taking up almost no room in your bag. Build quality is great, no complaints. Overall a quality product that's worth your money if you're looking for a very lightweight harness. Note on sizing: My height and weight are below and a medium cinches down all the way but centers perfectly (which is exactly what Blue Ice told me when I emailed them about sizing). My waist size is generally 30.

Benjamin W