Based on this product's specifications, here are some alternatives and similar models
Icebreaker 260 Tech Thermal Leggings, Black/Monsoon, Size M
Summary description:
The Icebreaker 260 Tech thermal leggings are high-quality base layer bottoms designed for cold weather activities. Made from 100% merino wool, these leggings provide excellent thermal regulation, moisture management, and natural odor resistance. Ideal for skiing, winter hiking, or everyday layering, they offer a comfortable fit and reliable warmth in demanding conditions.