Outdoor Research Allies Colossus Pants are designed for those who face extreme weather conditions. These pants, equipped with VerticalX Eco insulation, offer superior warmth, making them ideal for enduring the harshest climates. They are crafted to layer comfortably over other clothing, ensuring you stay protected during long, stationary periods in adverse environments. The pants feature a full side separating zipper, suspender loops, Velcro waist adjusters, and cuff snaps, providing convenience and adaptability for various outdoor activities. Insulated with VerticalX Eco for exceptional warmth in cold climates Full side separating zipper for easy wear and removal Equipped with suspender loops for added support Velcro waist adjusters for a customizable fit Cuff snaps for secure closure and protection Size and Fit Fit: Standard Materials Insulation: VerticalX Eco