Not insulated, This is a Shell Pant 100% Other Fibers Imported Zipper closure Machine Wash Durable Water Repellent finish repels water from fabric surface Non-insulated with mesh-lined interior; Articulated knees for greater range of motion 600 Denier Ballistic are used to reinforce the ankle, scuff and hem guards to hold up against daily wear and tear Adjustable waist for comfortable fit; Boot Zippers for easy on and off, along with O-ring for keys, gloves, and/or lift tickets Boot Gaiters with Grippers form a seamless integration with boots to keep warmth in and moisture out