Based on this product's specifications, here are some alternatives and similar models
Columbia Thermal Leggings, nocturn, size M
Summary description:
Columbia thermal leggings in nocturn color, size M. These high-quality thermal base layer leggings are designed to provide optimal warmth and moisture management during outdoor activities in cold weather. Featuring advanced thermal technology, they offer a comfortable fit and excellent insulation, making them an essential garment for winter sports, hiking, or everyday layering.