Zappos.com is proud to offer the Mammut - Alto Pants Men (Black) - Apparel: Stay warm on those exposed rock faces with the Alto Pants. ; Wind and water-resistant three-layer SOFTtech fabric. ; Soft fleece lining. ; Zip fly and snap waist. ; Outer thigh zip vents. ; Articulated knees. ; Leg gaiters. ; Reinforced scuff guards. ; Ankle zips....