3D-knit to seamlessly integrate insulation, articulation and ventilation, Smartwool Intraknit Merino Thermal women's pants allow you to move freely and comfortably no matter how you're getting active. * Made with ZQ-certified merino wool to ensure environmental, social and economic sustainability while safeguarding animal welfare * Intraknit™ technology: Insulation, articulation and ventilation are seamlessly integrated to amplify movement and comfort during high-intensity activities * Rib-knit waistband * 2 zippered pockets * Inseam for size medium is 29.5 in. (74 cm) * Fitted with a mid-rise waist * Smartwool Regular fit is intended to give you room to move, without additional bulk