The Mammut Taiss Guide SO Pants Men's are the ultimate choice for tough weather conditions. Specifically designed for mountaineering and ski touring, these pants feature a rugged 3-layer membrane fabric that is completely windproof and offers reliable protection, even in the harshest conditions. With hip-level ventilation zippers and elastic Velcro closures on the waist and leg seams, these pants can be easily adjusted for a perfect fit. Other features include zippered pockets that are compatible with climbing harnesses and reinforced leg hems to prevent damage from ski edges and crampons. Perfect for days in the mountains, these pants are lightweight and have a PFC-free waterproofing.