The Marker Girl's Sundown Insulated Jean Pants are great for a day in the cold. Itís built around 100% Nylon Dobby It Is Water Proof, Windproof and breathable. Strategic seam seals help reinforce from wind and water. Articulated Knees ensure a full range of motion. Front and back hand pockets with brushed Tricot lining, improves comfort and warmth. A lower leg gusset with internal powder cuff and gripper elastic keeps the cold out.