Edelweiss Curve ARC 9.8mm Unicore Climbing Rope

We’ve read the reviews across the web for the Edelweiss Curve ARC 9.8mm Unicore Climbing Rope and summarize the results below:

Universal Ranking

PeakScore: 81 (out of 100)
User Rating: 4.1 stars 
Expert Rating: 3.9 stars

Number of Ratings Reviewed: 23

Pros & Cons

Reasons to buy:

User Reviews

  • Soft catches for easier falls.
  • High UIAA count for safety, which states the number of times a rope can undergo a fall without breaking.
  • Stretchy elongation for versatility.
  • Versatile for using in various types of pitches, whether single or multi pitch.

Expert Reviews

  • Durable with a high fall rating, that withstands 9 UIAA falls.
  • Comes in 3 different lengths for customization.
  • Available with Unicore technology, which builds the sheath without affecting the suppleness.
  • Has a low impact force even with a bigger diameter.
  • The bi-pattern sheath design lets the climber know where the middle is.
  • 9.4% static elongation provides soft catches.
  • Despite user reviews of this rope being non-durable, we believe this is a durable rope.

Reasons NOT to buy:

User Reviews

  • Remains stiff over time and doesn’t break in well.
  • Multiple reports of sheath fraying and poor quality material.

Expert Reviews

  • Middle mark on the rope remains stiffer over time, and is more difficult to pass through a belay device.
  • Expensive for no dry-treatment on the rope.
  • Expensive option on the market.
  • Doesn’t last long compared to other ropes.
  • Difficult to feed through belay device due to stiffness.
  • High elongation can be dangerous for a seconder due to any obstacles in the way.
  • Heavier option compared to the competition.


The Edelweiss Curve ARC 9.8mm Unicore Climbing Rope is a good option for climbers who want soft catches, versatility, and a high UIAA rating. The stiffness, difficulty of feeding through a belay device, and durability issues need to be taken into account, but still may suit those who want soft catches.


Note: User and expert rankings were reviewed across the web. Some expert reviews include these: 1, 2, 3, 4, 5.