Features of the Mammut Men's Nordwand HS Flex Pant Sophisticated combination of materials: 3-layer Gore-TEX and innovative, Highly bi-elastic Gore-TEX Stretch Waterproof Use of Highly bi-elastic Gore-TEX Stretch material on tHighs for increased freedom of movement, as well as on hips and leg hem for perfect Fit and weather protection MAMMUT Vertical Motion Construction for optimized ergonomics during alpine movement sequences MAMMUT High Visibility Backer Technology for High visibility in alpine terrain 2 Climbing-harness-compatible front pockets with water resistant zippers in Matte look Crampon protection made from Dyneema material Fabric Details Main material: 100% Polyamide