Marlow Vesper 11.8mm Climbing Rope, Blue/Orange

Marlow Vesper climbing rope is an 11.8mm arborist line built for low stretch and a durable cover, here in a blue and orange colorway. It is a popular choice for single rope ascents and for climbers who want one line that also handles doubled-rope work.

How Vesper climbs

Vesper is built with low stretch in mind, so foot-lock and rope-walker ascents put more of each step into height and less into bouncing. On descent it feeds smoothly through common SRS devices, and at 11.8mm it holds a matching friction hitch well when you switch to moving rope work.

The blue and orange pattern is bold enough to pick out against bark, sky and green leaves, which helps a ground worker follow your line and helps you sort your own rope from a crew's shared lines.

Blue and orange also contrast well with most rigging lines, so a groundie can tell at a glance which rope is the climber's lifeline and keep clear of it when pulling brush.

Setup and care

Check that your device lists 11.8mm rope as compatible, and test any hitch pairing near the ground. Low-stretch line passes shock straight through the system, so keep slack out and never use a climbing line for rigging.

Climbing line is life-support equipment. Use it only within the manufacturer's instructions and ANSI Z133, inspect it before every climb, retire it when the cover is cut or glazed or the core feels damaged, and get proper training before you trust it. Compare other 24-strand climbing rope in our range.