Exped Dura 5R Duo All-Season Sleeping Mat - Medium Activity_Travel The progressive cam works by

The progressive cam works by way of one cam operating inside another cam

The Fixe Classic 316L Stainless Steel Bolt works best with soft or pocketed stone

Fitted with Auto Block sleeve

and its low profile fits nicely under a helmet for climbers and ski tours

Exped Dura 5R Duo All-Season Sleeping Mat - Medium Activity_Travel The progressive cam works byThe Dura 5R Duo is a 4 season sleeping mat with the option for sleeping two people. Made for demanding adventures, including extended outings in alpine and polar regions, rugged paddling trips, and overlanding. EXPED's SYNMAT TECHNOLOGY, with our proprietary Texpedloft insulation, ensures maximum warmth over the lifetime of the mat, while a 7 cm thick air cushion cradles the body. These air chambers run head to toe, fully supporting the body for an