This rope is one to rule them all. The Edelweiss Performance 9.2mm is a solid piece of string that you can use as a single, half, or twin rope. I picked up an 80-meter version of the 9.2mm, and it’s been my go-to sport-climbing cord for the past year. The 80m length weighs as much as some 60m 9.5mm ropes, and the extra length has come in handy on long pitches and rappels.

The Edelweiss Performance 9.2mm has sustained some real abuse, and it’s held up remarkably well. It also saved my wife, who took a whipper on a pretty sharp biner and core-shot the rope. After a year of abuse, this is the only time we’ve had to trim the rope down, which might be a record for such a thin rope. This is likely the effect of Edelweiss’ UniCore construction, which bonds the sheath of the rope to the core, for added durability.

Specifications

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9.2mm 

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57 g/m

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Unicore sheath construction bonds sheath to the core for improved durability

Pros

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You get the confidence of a much thicker rope in a 9.2mm thin redpoint cord thanks to a pretty durable and unique construction.

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80m rope weighs as much as some 60m 9.6mm ropes.

Cons

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Durable … but not miraculous. A 9.2mm rope is still a thin cord that can get core shots.

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Even though this is billed for use as a twin or double rope, not sure why anyone would use it that way.