Descenders no longer routinely use 16-mm (5/8-in) rope

with just one downwards movement necessary

common with bare aluminum components

pulleys and carabiners sold separately

Crew Universal PFD Color:Green Descenders no longer routinely useThe NRS Crew Universal PFD is ideal for flatwater boating and close to shore safety. No frills or fancy stuff; this life jacket just offers safety and all day wearing comfort. This PFD is approved under the new certification system for PFDs. It's dual certified, carrying both a US Coast Guard Approval through Underwriters Laboratories (UL), and a Transport Canada Approval through Underwriters Laboratories Canada (ULC). Universal Plus sizing adjusts