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Aeris Climb Line by Marlow

Aeris Kernmantle Climb Line Aeris Kernmantle Climb Line
Marlow Aeris Rope image

Aeris Kernmantle by Marlow

Buy Aeris Rope

Blue/Lime Color

This item has been discontinued.

**Reels of rope are charged a flat shipping fee in the contiguous US. Spools of rope up to 9/16" ship for $25 in areas covered by our free shipping offer. Spools of rope 5/8” and larger ship for $50 in these areas. Regular shipping rates apply in other areas.

Additional Splice Options

Add custom-sized eyes, additional eyes, or eyes in bulk rope

Sewn Tight Eye
Sewn 5” Eye
Sewn Eye - Custom Size

Leave instructions for which splices go with which ropes in the 'comments' field during checkout, along with the sizes for any custom size eyes, and any instructions for thimbles, rope snaps, or other hardware to add to the splice. (Hardware must also be present in your cart to add it to the splice.)

11mm (7/16”) • kernmantle • 7,800 lb ABS • 3/.1% elongation at 300 lb • 5.5 lb per 100' • Sewn splices

Marlow Cordage is a top manufacturer of professional ropes based in the UK, and their arborist ropes are making a splash in the US. Aeris is a nylon-core kernmantle rope which feels more like a 24-strand and makes an excellent rope for DdRT. Aeris has a nice hand, excellent visibility, and great strength/weight ratio. The Nylon cover and core construction provide a very high tensile strength and increased energy absorption.

Aeris is treated with Marlow DriCoat which provides a water resistant coating which substantially reduces water uptake and hence weight in wet conditions - perfect for the NorthWest!

Aeris is available with sewn terminations.


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Additional Features

  • High strength
  • Low weight
  • Good hand
  • Excellent energy absorption
  • Great visibility
Manufacturer : Marlow
Made in : UK
Diameter : 7/16” / 10.7 mm
Average Strength : 7,800 lb / 3,545 kg
Construction : Kernmantle
Material : Nylon
Wt. per 100’/100m : 5.5 lb / 7.6 kg
Elastic Elongation : 3.1% at 150 kg
Hand Spliceable : No
Sewn Spliceable : Yes


  • CE Certified

ANSI Z133-2017

The American National Standards Institute (ANSI) has released the ANSI Z133 safety requirements which apply to arboriculutral operations.

Arborist Climbing Ropes are required to have a minimum breaking strength of 5,400 lb (24 kN) when new, and should be no smaller than 1/2” (12.7mm) unless the employee has been trained in the use of smaller line (down to 7/16” / 11mm), and the line's working elongation should not exceed 7% at 540 lb load.

This rope meets ANSI Z133-2017 standards, so long as the user has been trained in the use of smaller diameter lines.

The full ANSI Z133 safety requirements are available on our tree care standards page.

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