These top-level guys try to climb when it's really cold and at night to prevent sweaty fingers. Kevin Jorgeson climbing the Dawn Wall in Yosemite this winter f

These top-level guys try to climb when it's really cold and at night to prevent sweaty fingers. Kevin Jorgeson climbing the Dawn Wall in Yosemite this winter for example: http://www.climb.pl/wp-content/uploads/2015/01/pitch15_crux.jpg http://www.climb.pl/wp-content/uploads/2015/01/pitch15_crux....