SUPERTRAMP | GLARUS ALPS, SWITZERLAND: THE CLASSICS MULTIPITCH This year’s “The Classics” series continues Mammut’s nod towards the milestones of climbing. After having presented six Rock Classics of sports climbing two years ago, this year is all about some of the most famous multi-pitch routes in the world – classics that have challenged climbers for generations and have lost none of their fascination today.Climbers: David Lama & Katherine Choong.