Intraknit™ Thermal Merino Our most advanced performance base layer is 3D-knit to provide a tailored fit with mesh ventilation to balance warmth and breathability. Merino wool next to skin helps you stay warm, comfortable, and ready for everything. That's the confidence you get every time you put on our Women's Intraknit™ Thermal Merino Base Layer 3/4 Bottom. Made with our revolutionary 3D knitting techniques, insulation, articulation, and ventilation are seamlessly integrated to amplify movement and comfort during high-intensity activities. Your best adventures are ahead in our best women's base layer pants. Features Our slim fit is intended to follow the contours of the body Fitted with a mid-rise waist Featuring Intraknit™ technology: Insulation, articulation, and ventilation are seamlessly integrated to amplify movement and comfort during high-intensity activities Merino Sport yarn combines the power of Merino with the durability and fast dry times of polyester Seamlessly knit mesh ventilation designed to keep you dry and comfortable 52% Merino Wool, 45% Polyester, 2% Elastane, 1% Polyamide. All items come from a pet free/smoke free home. Please don’t hesitate to ask if you have any questions :)