Arc'teryx Gamma SK Pant - Men's Black XX-Large Regular 100% Nylon Moisture-resistant outer face fabric and Quick-drying Snow-shedding, Windproof and Breathable Arc'teryx finishing tape-to help seams lie flat and to increase windproofness Keprotec&#8482 instep patches provide superior protection against damage by boots, crampons and ski edges Articulated patterning for unrestricted mobility