Mammut 8.7mm Serenity Dry Rope

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Mammut 8.7mm Serenity Dry Rope

  • Available prices $350.00
Available online only


Show Description

A triple threat, rated for use as a half, twin or single rope. A super-light option for alpine climbing. Used as a skinny single, it's surprisingly durable and the high-proportion sheath holds up to rough handling.

  • Dry treatment on both sheath and core protects against water and dirt.
  • Coated yarns allow individual fibres to glide over each other, reducing internal friction and fully utilizing each yarn when loaded, for extra durability.
  • Comes lap-coiled by the factory, so ready to climb.
  • Specs shown are for use as a single rope.
  • When used as a half rope, the specs are as follows: Dynamic elongation: 31% Static elongation: 6% Impact force: 6.3kN UIAA fall rating: 17
  • When used as a twin rope, the specs are as follows (based on tests with 2 strands): Dynamic elongation: 31% Static elongation: 6% Impact force: 9.7kN UIAA fall rating: 20

Tech specs

Show Tech specs
Weight 3.57kg
Ideal for
  • Rock climbing
  • Snow and ice climbing
  • Single (‹ 9.6mm)
  • Half
  • Twin

Dry ropes have a water-resistant treatment on both core and sheath. Dry (UIAA certified) ropes have both core and sheath treated, plus meet the UIAA Water Repellent standard by passing a stringent test where a soaked rope cannot absorb more than 5% of the rope's weight.

Dry (UIAA certified)
Length 70m
Dynamic elongation

Maximum elongation in the first UIAA test fall, where a weight is attached to the rope and then dropped. Higher numbers indicate stretchier ropes.

Static elongation

In controlled tests, a weight is suspended from the rope (not dropped). Higher numbers indicate stretchier ropes.

Impact force

The amount of force, in kN, that the first UIAA fall puts on the falling object. Less impact force puts less force on the climber, belayer, and protection during a fall.

Linear weight 51g/m
Diameter 8.7mm
Halfway pattern change No
UIAA fall rating

Indicates the number of consecutive falls a rope withstood during testing in a controlled environment. The number is for reference only, and does not indicate the number of falls a rope will withstand during actual use or over its lifespan.

Made in Switzerland