Chaos 2013
Description
Optimized for trad cragging and long days in the vertical, the Chaos harness balances comfort and features without weighing you down. We designed the Chaos’ lightweight, low-profile bullhorn-shaped waist with Kinetic Core Construction, which uses multiple strands of Vectran spread across the harness and sandwiched spread between taffeta and lightweight foam, and added a breathable padded lumbar insert to provide top-notch comfort on hanging belays and multi-pitch routes.
-Pre-threaded Speed Adjust waistbelt buckle
-Bullhorn-shaped waistbelt built using Kinetic Core Construction
-4 pressure-molded gear loops
-12 kN-rated haul loop
-Breathable, padded lumbar insert
Optimized for trad cragging and long days in the vertical, the Chaos harness balances comfort and features without weighing you down. We designed the Chaos’ lightweight, low-profile bullhorn-shaped waist with Kinetic Core Construction, which uses multiple strands of Vectran spread across the harness and sandwiched spread between taffeta and lightweight foam, and added a breathable padded lumbar insert to provide top-notch comfort on hanging belays and multi-pitch routes.
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Weight (g)![]() ![]() | 400 g |
Fit | Unisex |
Sizes | S, M, L, XL |
Gear Loops![]() ![]() | 4 Gear loops |
Ice Clip Slots![]() ![]() | No, 0 |
Belay / Tie-In | One Loop |
Waist Buckle Type | Quick Adjust |
Leg Buckle Type | None (it stretches) |
Drop Seat | Yes |
Haul Loop![]() ![]() | Yes (12kN) |
Certification | |
Size Chart | |
No reviews yet.

In the end the R320 and Chaos have different features and benefits. The most important thing with a harness is fit and the ratio of waist band to leg loop size varies between these harnesses. I have been happy wearing both harnesses on all day climbs, which in my mind puts them to the comfort test. Both sets of gear loops have disadvantages and I can hope that the next generation will show some improvements. In terms of durability, I have been really impressed with the R320 since it has shown less wear than the Chaos. Only time will tell if they will continue to age at the same rate.

This was ultimately a small gripe that never detracted from how well the harness performed. I was always comfortable holding my partner’s full weight while belaying, or hangdogging my project. Even on hot days the harness never felt too sweaty. Nothing chaffed. I loved the shape and position of the four gear loops and, best of all, after nearly eight months of hard abuse, the belay loop and tie-in points still look new—which has definitely not been my experience with many lightweight harnesses on today’s market.
This video explains all the design features of Chaos Harness and Ethos Women's Harness.