Details We rely on Jackson Hole Mountain Guides for their expertise when developing product. And turns out, the feeling is mutual. When they're face to face with the Grand Teton, pulling their way up sharp limestone, the Chockstone™ Alpine Pant is the pair they've come to depend on. And paired with one of our shells, it's a staple in every alpinist's arsenal. Features: UPF 50 4-way-stretch, double-weave fabric with high abrasion resistance Enhanced knee articulation enables full range of motion Fully adjustable waist with harness-compatible integrated belt Gusseted ankle zippers to accommodate alpine boots