Maybe you've got your eyes set on your first marathon, or you've set a lofty goal to ski all the major volcanoes in the Pacific Northwest. Maybe you want to climb The Grand. Whatever objective may be at the forefront of your mind, you're going to have to train. Rain or shine, put in the time with the Arc'teryx Calvus Cap. Constructed out of wicking polyester and mesh and treated with a DWR finish, you've got no excuse to skip out on training. Brave the elements, push your limits, and climb that mountain.