The Outdoor Research Cirque Softshell Pants are our go-to pant for everything. as for mountaineering. Their durable stretchy and water-resistant fabric was created for the harshest missions be it in the off-season or in the dead of winter. Abrasion resistance and elasticity Reflective motion makes them ready for work in mountainous terrain and articulated knees and crotch gusset increase your natural comfort and range of motion. You'll also be prepared for backcountry ski trips with a dedicated avalanche beacon pocket and durable safety guards , which are resistant to damage from the edges of skis, friction of boots and poles.