Marmot's Tour Pro pants have been specifically designed for the needs of European alpine climbers and ski touring activists. The blend of two super stretchy Schoeller fabrics gives the Tour Pro Pant exceptional durability and stretch.
These pants have already been used on a number of hard alpine routes and are used by all of Marmot's European Alpine climbers.
Read and see more:
http://www.ukclimbing.com/gear/news.php?id=1500